Every microservice has to find the others and learn its own settings, and Nacos is the discovery and configuration platform that answers both needs from a single server. Producers register instances with names, addresses, weights, and metadata, and consumers look services up or subscribe to changes, so a fresh instance receives traffic without hand-edited load balancer rules. Health checks drop dead instances from discovery results, while weight controls in the console shift traffic gradually during a rollout or drain a node before maintenance. Configuration lives apart from code: publish properties and YAML under a Data ID and Group, split environments with namespaces, and subscribed clients apply changes within seconds. History keeps every published version, so a typo is recoverable: rollback republishes an earlier value, and listener queries show which clients picked the change up. Gray releases push a new value to a chosen slice of instances first, so a risky flag reaches a fraction of the fleet before the rest. The registry covers AI building blocks too: MCP servers register their tools, prompts and skills carry versions and visibility, and agents publish discovery cards that gateways look up like any service. Spring Cloud, Dubbo, and Kubernetes workloads plug in through SDKs for Java, Go, Python, and other languages; run one standalone node for development or a Raft-backed cluster for production. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

With 12,400 GitHub stars and adoption across enterprises processing billions of events daily, Redpanda delivers a complete Kafka wire protocol implementation in C++ that existing Kafka producers, consumers, Kafka Connect connectors, and Kafka Streams applications connect to without code changes — eliminating JVM garbage collection pauses and ZooKeeper coordination overhead through a single binary architecture built on the Seastar framework's thread-per-core model. The integrated schema registry supports Avro, Protobuf, and JSON Schema validation directly within the broker without separate infrastructure. Tiered storage automatically offloads cold data to object storage while maintaining seamless consumer access across the full retention window. Redpanda Console provides a web-based management interface for topic inspection, consumer group monitoring, schema management, and ACL configuration. Redpanda Connect extends the platform with 200+ pre-built connectors for data pipelines between databases, cloud services, and streaming systems. Exactly-once semantics with idempotent producers and transactional guarantees ensure data integrity for financial, healthcare, and compliance workloads. The Adaptable Data Plane in version 26.1 enables per-topic performance profiles balancing throughput, latency, and durability within a single cluster. Deploy via Docker or Kubernetes with official Helm charts — a three-node cluster starts with a single rpk command. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. BSL 1.1 licensed (converts to Apache 2.0 after four years).

Send a document, receive a PDF: Gotenberg is a Docker-based, stateless HTTP conversion API trusted in production by thousands of companies and adopted by notable open-source projects. Send files as multipart/form-data, get a PDF back; Chromium, LibreOffice, and fonts are the container's problem, not yours. Headless Chromium handles URLs, HTML templates, and Markdown with pixel-perfect browser rendering: it executes JavaScript, loads web fonts, waits for network idle, a JS expression, or a DOM selector before rendering SPAs, and accepts injected cookies and HTTP headers for authenticated pages. LibreOffice converts 100+ office formats - .docx, .xlsx, .pptx, and legacy formats - with page-range extraction and PDF/A archival conformance. Built-in PDF engines round out the pipeline in every image variant: merge, split, rotate, flatten, encrypt, watermark, stamp, read/write metadata and bookmarks, plus Factur-X/ZUGFeRD e-invoicing and PDF/UA accessibility compliance. Screenshots of URLs and HTML come from the same endpoints. Zero-transfer pipelines stream files directly between S3, MinIO, or GCS presigned URLs and Gotenberg, bypassing your application entirely, and webhooks enable async processing. Statelessness means horizontal scaling is trivial - run as many replicas as your conversion volume demands. Three image variants (full, Chromium-only, LibreOffice-only) trim the footprint to what you actually use.

KrakenD processes over 18,000 requests per second on a single instance while consuming under 50MB of RAM at 1,000 concurrent connections, operating as a stateless API gateway that requires no database whatsoever. The Community Edition has earned over 2,600 GitHub stars by outperforming database-dependent alternatives like Kong and Tyk in independent benchmarks. Written entirely in Go, it uses declarative JSON or YAML configuration files that integrate directly into GitOps workflows for version-controlled infrastructure management. The gateway aggregates responses from multiple backend services into a single API call, transforms request and response payloads with field filtering, grouping, and mapping, and applies zero-trust security policies including JWT validation, OAuth 2.0, CORS, HSTS, clickjacking protection, and XSS prevention. Traffic management features include multi-layer rate limiting at both the router and proxy levels, circuit breakers for backend fault isolation, spike arrest policies, and concurrent call support that requests the same data from multiple backends in parallel for improved response times. Telemetry integrates with OpenTelemetry, Prometheus, Grafana dashboards, Datadog, Zipkin, and Jaeger for distributed tracing and metrics collection. The gateway extends through Go plugins, Lua scripting, Martian modifiers, and Google CEL expressions for custom request processing logic. AI workload routing supports OpenAI, Anthropic, Gemini, and other model endpoints with built-in fallback, retries, and load balancing. Deploy via Docker with the devopsfaith/krakend image as a single binary. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

An order that waits days for a payment or a manager's approval survives crashes, restarts, and deployments in Cadence, a workflow engine that resumes each process exactly where it stopped. Developers write the order's logic as ordinary Go or Java code. The engine records every step in an event history and replays it to rebuild state on any worker. Activities send the emails, call the APIs, and write the database rows, each with its own retry policy, timeout, and heartbeat. A durable timer waits seconds or months without holding a thread, a cron schedule launches recurring runs, and a signal delivers the payment confirmation into the running workflow. Queries read its state without changing it, child workflows split big processes into reusable parts, and versioning allows code changes while older executions are still in flight. Domains separate teams and applications, task lists carry their own rate limits and priorities, global domains replicate across clusters and fail over between them, and archival retains closed histories. Cadence Web finds executions with SQL-like queries, lays out event history as a grouped table or a timeline, and exposes payloads, pending activities, and stack traces. It can start, reset, signal, cancel, or terminate runs, with batch actions for thousands of workflows at once. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

An open-source application performance monitoring platform for microservices, Kubernetes, and service meshes, Apache SkyWalking draws the live service map and ties slow requests to their traces, logs, and metrics. Agents cover Java, .NET Core, PHP, Node.js, Go, Lua, Rust, C++, browser JavaScript, and Python, and OpenTelemetry, Zipkin, Prometheus, Zabbix, and Telegraf data can be ingested too. Start at the service topology map, follow a request through the trace waterfall, then drill into the instance and its API dependencies. When the cause is inside the code, trace profiling, async-profiler, Go pprof, eBPF, and network profiling render flame graphs and process graphs in the same console. The Rover eBPF agent profiles Kubernetes workloads for CPU and network problems, and Istio and Envoy service meshes, including Istio Ambient, report into the same dashboards. Alarm rules target a service, deployment, or API, and alarms and telemetry can be forwarded to third-party systems. Metric and log analysis rules hot-update at runtime without a restart, and a live debugger shows what each rule stage receives and produces. An AI assistant answers plain-language questions with charts, topology, and traces from live data, using an OpenAI-compatible or Amazon Bedrock model you configure, and an MCP connection serves your own AI client. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

With 17,000 GitHub stars, 460+ contributors, and deployments across telecommunications, automotive, and financial services running on over 10,000 CPU cores at the largest known installations, Apache APISIX delivers a fully dynamic API gateway achieving 140,000 QPS on eight cores with sub-millisecond latency through NGINX's event-driven architecture and LuaJIT-compiled plugin execution. The 100+ open-source plugins cover authentication (JWT, OAuth 2.0, OIDC, Keycloak, LDAP), observability (Prometheus, Datadog, SkyWalking, OpenTelemetry), traffic management (rate limiting, circuit breaking, canary releases, traffic splitting), and security (CORS, IP restriction, CSRF protection) — all hot-reloadable without process restarts via etcd-based real-time configuration synchronization. Multi-protocol support handles HTTP, gRPC, MQTT, TCP, UDP, and WebSocket traffic for both north-south API access and east-west service mesh communication. AI gateway capabilities proxy requests to 20+ LLM providers with semantic caching, token-aware rate limiting, provider failover routing, and content moderation. Custom plugins extend the gateway in Lua, Go, Java, Python, or WebAssembly. Radixtree route matching handles 100,000+ routes without performance degradation. Functions as a Kubernetes ingress controller with native service discovery for Consul, Nacos, and Eureka. Deploy via Docker or Helm charts with horizontal scaling through etcd cluster coordination. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

With over 43,000 GitHub stars and adoption by companies including Nasdaq, Samsung, and Expedia, Kong Gateway is the world's most deployed open-source API gateway, processing billions of API requests daily across hybrid-cloud and multi-cloud architectures. Built on the battle-tested NGINX engine with OpenResty's LuaJIT runtime, Kong delivers sub-millisecond proxy latency while supporting REST, gRPC, GraphQL, WebSocket, SOAP, and Kafka protocols. The plugin architecture includes authentication via JWT, Basic Auth, HMAC, key authentication, OAuth 2.0, and LDAP, alongside rate limiting with configurable windows per consumer, IP address, or API key. The AI Proxy plugin provides a universal LLM API that routes across OpenAI, Anthropic, Google Gemini, AWS Bedrock, Azure AI, Databricks, Mistral, and Hugging Face through a single standardized interface, while MCP proxy capabilities convert REST APIs into MCP tools and provide traffic governance for AI agents. Kong supports declarative configuration via YAML for GitOps workflows, a RESTful Admin API for dynamic configuration, and decK CLI for version-controlled infrastructure-as-code management. Upstream health checking with active and passive probes enables automatic failover, and the ring balancer distributes traffic across upstream targets with consistent hashing, round-robin, or least-connections algorithms. The Kong Plugin Hub hosts over 100 community and official plugins covering logging, monitoring, transformation, security, and traffic control. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

When checkout slows to a crawl somewhere across forty services, Pinpoint draws you the map of what is actually talking to what and where the time went. The ServerMap renders your whole topology live: services, databases, message queues, and external APIs as nodes whose edges carry transaction counts and error rates, so the unhealthy dependency announces itself visually. Click a node and the scatter chart plots every request against its response time; drag across the suspicious cluster and the CallStack opens those exact transactions at code level, method by method, SQL statement by SQL statement, until the bottleneck has nowhere to hide. The Inspector watches each application's CPU, memory, garbage collection, TPS, and JVM arguments, while realtime active-thread charts show stuck work as it happens. Agents attach to Java, PHP, and Python applications without changing a line of code, and applications already instrumented with OpenTelemetry send their traces straight in over OTLP. Group applications into services so each team sees its own Service Map, then arm alarm templates for slow counts, error rates, and thread saturation before users notice. Error Analysis gathers exceptions and error logs grouped by route, and URI metrics rank your hottest endpoints by cost. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Created by Uber Technologies and graduated as the seventh CNCF top-level project in October 2019 with over 23,000 GitHub stars, Jaeger has become one of the most widely deployed open-source distributed tracing platforms, processing billions of spans per day in production environments at organizations including Uber, Red Hat, and Shopify. Version 2 rebuilt the platform on the OpenTelemetry Collector framework, inheriting its extensible pipeline architecture while implementing Jaeger-specific features as extensions and components, enabling seamless integration with the OpenTelemetry ecosystem through native OTLP protocol support. The platform stores traces in Cassandra 4.0+, Elasticsearch 7.x/8.x, OpenSearch 1.0+, ClickHouse, or the embedded Badger database for development setups. Three sampling strategies control trace volume: head-based sampling with constant, probabilistic, and rate-limiting modes, tail-based sampling using the OpenTelemetry Collector processor that evaluates complete traces before storage decisions, and adaptive sampling that dynamically adjusts probabilities based on observed traffic patterns. Service Performance Monitoring computes RED metrics directly from spans, displaying request rates, error rates, and latency percentiles in the Monitor tab with drill-down from aggregate service views to individual traces. The web UI provides trace search with multi-field filtering, trace detail views with span timeline visualization, trace comparison across services, and dependency graphs mapping service relationships from actual traffic. Deployment options range from a single all-in-one binary for development to distributed collector-ingester-query configurations with Kafka intermediate buffering for production scale. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

Applications publish an event once and stop caring who needs it next: Apache EventMesh receives CloudEvents over plain HTTP, stores them durably, and delivers each one to every subscription that matches. Producers call publish, consumers call subscribe or unsubscribe, and the runtime owns the registry, offsets, acknowledgements, and redelivery that messaging clients usually force you to build yourself. Subscribers choose load-balanced delivery for competing workers, broadcast delivery for every listener, or multicast for selected groups, and they receive events by HTTP long polling, Server-Sent Events, or WebSocket push. Filters drop irrelevant events before they leave the mesh, while transformers reshape payloads so a producer and consumer can disagree about format without either one changing code. Kafka and RocketMQ act as pluggable write-ahead storage, with an in-memory backend for development, and stateless runtime instances scale horizontally without consumer-group rebalancing. Twenty-three connectors move events into and out of RabbitMQ, Pulsar, MongoDB, MySQL change data capture, Redis, S3, Prometheus, Slack, DingTalk, Lark, WeChat, and AI services, each checkpointing offsets so failures replay instead of silently losing data. Agent-to-Agent protocol support and MCP connectors let AI agents exchange asynchronous events alongside synchronous tool calls, and event-triggered agents can publish decisions back into the mesh for downstream delivery. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Put one governed doorway in front of every service you run: Apache ShenYu is an API gateway that proxies, secures, and manages traffic for HTTP, Dubbo, gRPC, WebSocket, and MQTT backends from a single entry point. Every request flows through an ordered, hot-pluggable plugin chain, so you compose exactly the behavior each route needs instead of accepting a fixed gateway feature set. Selectors give you coarse, service-level routing and rules refine it down to individual methods, matched against headers, paths, and parameters. Authentication and edge security come from JWT, OAuth 2.0, request-signing, and WAF plugins, while rate limiting, circuit breaking, and load balancing protect fragile upstreams from traffic spikes. You reshape calls in flight with request, response, and parameter mapping, and convert protocols so a gRPC or Dubbo service answers ordinary HTTP clients. Newer releases add AI gateway plugins that proxy LLM calls with prompt processing, token limits, and sensitive-word filtering, plus an MCP server plugin for exposing tools to AI agents. The ShenYu Admin console on its own port manages plugins, selectors, rules, users, and permissions, then pushes changes live to every gateway replica over WebSocket, ZooKeeper, Nacos, etcd, or HTTP long polling. Metrics, tracing, and logging plugins stream operational data to Kafka or Elasticsearch, and client SDKs for Java, Go, Python, and .NET let services register themselves automatically. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

With nearly 30,000 GitHub stars and deployment across organizations including Criteo, Pandora, and Barclays, HashiCorp Consul is the industry-standard platform for service discovery, service mesh, and distributed configuration across dynamic multi-cloud and multi-datacenter infrastructure. Services register themselves and become discoverable via a built-in DNS interface on port 8600 or an HTTP API on port 8500, with health checks ensuring only healthy instances receive traffic through automatic catalog deregistration and service-level circuit breaking. The service mesh capabilities use Envoy sidecar proxies with Transparent Proxy mode to establish automatic mTLS encryption for all service-to-service communication, while identity-based intentions define fine-grained authorization rules controlling which services can communicate. The integrated API Gateway manages north-south traffic into the mesh with configurable routing rules, TLS termination, and header-based matching policies. Consul's distributed key-value store provides hierarchical configuration storage accessible via CLI, HTTP API, and the built-in web UI, with blocking queries enabling watch-based configuration updates without polling. Multi-datacenter federation connects Consul clusters across regions through WAN gossip and RPC forwarding, enabling cross-datacenter service discovery and failover with configurable prepared queries. The Raft consensus protocol provides strong consistency for the service catalog and KV store, with anti-entropy mechanisms ensuring agent state converges with the server catalog. Consul integrates natively with Kubernetes via Helm charts with automatic sidecar injection, Nomad for workload orchestration, Vault for secrets management, and Terraform for infrastructure provisioning. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. BUSL 1.1 licensed.

Microcks turns your API specifications into living mocks and contract tests, so teams can develop and verify against an API long before the real implementation exists. Feed it OpenAPI, AsyncAPI, GraphQL schemas, gRPC Protobuf files, Postman collections, or SoapUI projects, and it immediately publishes mock endpoints that answer with realistic examples drawn from the specification itself. Dispatching rules route requests by path, query parameters, headers, body content, or XPath and Groovy expressions, while content negotiation and templating functions shape each response to look convincingly real. Event-driven APIs get the same treatment, with AsyncAPI mocks that publish messages to Kafka topics or WebSocket channels your consumers can subscribe to during development. When an implementation shows up, contract tests replay the recorded expectations against the live service and report every mismatch, down to the exact request and response that failed. Run those tests from the web interface, on a schedule, or from CI pipelines with the command-line client, and wire importers to rescan your Git repositories so new specification versions appear as mocks automatically. The built-in hub adds one-click samples and reusable API packages, giving a new team a stocked repository of mockable services within minutes of the first login. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Originally built at Netflix to orchestrate microservices powering 230 million subscribers and now trusted in production at Tesla, LinkedIn, and J.P. Morgan, Conductor is the most battle-tested open-source workflow engine available — with 32,000 GitHub stars and horizontal scalability to billions of executions. The architecture cleanly separates orchestration from business logic: workflows are defined in declarative JSON while workers execute tasks in any of seven supported languages (Java, Python, Go, JavaScript, C#, Ruby, Rust) with zero framework constraints. Durable execution persists every state transition, enabling automatic retries, configurable timeouts, crash recovery, and instant replay from any failure point without re-executing completed tasks. Native AI agent orchestration supports 14+ LLM providers (Anthropic, OpenAI, Google Gemini, AWS Bedrock, Mistral, Cohere, HuggingFace, Ollama), MCP tool calling, function calling, human-in-the-loop approval gates, and vector database integration (Pinecone, pgvector, MongoDB Atlas) for RAG pipelines. Deploy with your choice of five persistence backends (PostgreSQL, Redis, MySQL, Cassandra, SQLite), six message brokers, and Elasticsearch or OpenSearch for workflow indexing — all configurable via Docker Compose files included in the repository. The built-in web UI provides workflow visualization, execution monitoring, task queue inspection, and manual intervention controls. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Convoy is an enterprise-grade webhooks gateway that manages both incoming and outgoing webhook traffic to guarantee reliable event delivery without exposing internal microservices to the public internet. Organizations deploy the platform at the edge to ingest events from message brokers such as Apache Kafka, RabbitMQ, and Google Cloud PubSub, or receive HTTP webhooks from third-party services directly. The gateway enforces delivery policies through configurable rate limiting per endpoint, circuit breaking during downstream outages, and automated retries using constant or exponential backoff with jitter. Developers can generate customer-facing webhook portals embedded via iframes, allowing end users to inspect delivery attempts, verify HMAC-SHA256 signatures, and manually replay failed events. Comprehensive security controls include static egress IP proxying to prevent server-side request forgery, automated rolling secret keys, and instant alerting via Slack or email when endpoints fail consecutively. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Elastic License 2.0 licensed.

Powering mission-critical infrastructure at OpenAI, Cursor, Replit, Lovable, Retool, and Snap with over 22,000 GitHub stars, Temporal is the durable execution platform that originated from Uber's Cadence project — built by the creators of AWS SQS, AWS SWF, and Azure Durable Functions with nine years of production-proven reliability. The workflow-as-code model lets developers write business logic in Go, Java, Python, TypeScript, .NET, PHP, or Ruby using native SDKs, while the Temporal Server automatically persists state at every step, replays from failures, retries activities with configurable backoff policies, and manages task queues without developers writing reconciliation logic. Workflows support signals for external event injection, timers for scheduled delays, child workflows for decomposition, and queries for real-time state inspection — all backed by deterministic replay over an event-sourced history that guarantees exactly-once semantics. The Web UI provides visual workflow execution inspection with event timelines, pending activity monitoring, namespace management, and worker health dashboards. Persistence supports PostgreSQL, MySQL, or Apache Cassandra for horizontal scalability, with Elasticsearch or OpenSearch for advanced workflow visibility queries. Multi-cluster replication enables global failover across data centers. The self-hosted stack deploys via Docker Compose with the auto-setup image, PostgreSQL, Web UI, and admin tools — operational within 30 minutes. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

Amplication turns entity definitions into production-ready backend services, generating NestJS with Prisma and Apollo GraphQL for Node.js or ASP.NET Core for .NET, eliminating months of boilerplate. The plugin-driven Data Service Generator hooks into code generation lifecycle events, enabling teams to inject CI/CD manifests, proprietary authentication schemes, testing configurations, and cloud-specific deployment targets for AWS, Azure, and GCP without forking the core generator. Blueprint templates encode organizational architecture standards, security policies, and coding conventions into reusable foundations that keep every generated service consistent across the engineering organization. Jovu AI translates natural language requests into entities, relationships, fields, modules, DTOs, and custom API actions, automatically aligning each resource with predefined standards. Generated services include full CRUD operations with input validation, Swagger/OpenAPI documentation, authentication middleware, database-agnostic ORM via Prisma, optional React Admin interfaces, and Jest test scaffolding. Code output syncs to Git repositories as pull requests, preserving standard review workflows while letting developers edit every generated line and add custom business logic. Supports PostgreSQL, MySQL, and MongoDB as database targets. Over 16,000 GitHub stars with enterprise adoption. Apache 2.0 licensed.