For people who found del.icio.us perfect and everything since bloated, linkding is the bookmark manager - a Django application whose entire design goal is saving and finding links with zero friction. Paste a URL and it fetches the title, description, favicon, and preview image automatically; organize with tags, search full-text across everything, mark bookmarks unread for read-it-later, attach Markdown notes, and bulk-edit whole selections at once. Its answer to link rot is archiving: bookmarked pages can be snapshotted automatically, either submitted to the Internet Archive or saved as local HTML files, and a documented SingleFile browser-extension integration uploads full self-contained page captures straight to your instance. Official Firefox and Chrome extensions (plus a bookmarklet) make saving a one-click habit, the UI installs as a Progressive Web App on mobile, and multi-user support with bookmark sharing - to users or logged-out guests - covers families and teams, with SSO via OIDC when needed. The REST API (create, search, filter by tag) has spawned a genuine ecosystem of community mobile apps and libraries. Operationally it is famously boring in the best way: one small container, SQLite by default, automated migrations, and a zero-breaking-changes policy. Import and export use standard Netscape HTML. MIT-licensed.

SurveyKing combines survey creation and online examination in a single platform — generate complete questionnaires from plain English via built-in LLM integration, administer timed exams with anti-cheating proctoring, and collect structured data through 20+ question types including matrix questions, cascading selectors, file uploads, and electronic signatures. Built on Spring Boot 3 with a React and TypeScript frontend using the UMI framework and Ant Design components, version 1.12 delivers each question type with independent validation rules, data type controls, and formula calculations. The AI engine connects to mainstream LLMs for survey generation from natural language prompts and provides real-time answer explanations during practice sessions. Exam mode features item banks with Word and Excel bulk import, fixed and randomized question selection, composite paper assembly, live proctoring dashboards with anti-cheating controls, automatic and manual grading with per-question scoring, and PDF score report archiving. The visual logic designer and DSL expression engine handle show/hide conditions, required rules, skip branching, quota controls, randomization, and cross-tabulation analysis with SPSS export. Role-based access controls support multi-user collaboration with department and permission management via Spring Security and JWT authentication. Redis handles caching and queuing while MyBatis Plus manages database operations. Deploy via a single Docker command with embedded H2 for trials or Docker Compose with MySQL for production. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

Manga collections tend to get trapped on a single phone; Suwayomi moves the library, downloads, and reading progress onto a server you run, so every browser and device sees the same shelf. In the browser, a built-in reader handles single page, double page, continuous vertical, continuous horizontal, and webtoon layouts, adding image filters, custom keybinds, auto scrolling, and separate desktop and mobile views. Content comes from Mihon (Tachiyomi) extensions, which can be searched, browsed, and sorted into categories, with custom extension stores loaded from JSON or Protobuf indexes. Downloads save chapters as CBZ archives for offline reading, and the server checks the library for new chapters every 12 hours by default, fetching them automatically if you allow it. Progress follows you through MyAnimeList, AniList, and MangaUpdates, a Suwayomi extension and tracker for Mihon, SyncYomi servers, and KOReader. E-reader apps connect over OPDS feeds, scheduled Mihon-compatible backups protect the library, and FlareSolverr or Byparr support handles Cloudflare-protected sources. Public instances can be locked down with basic authentication, a simple login page, or JWT-based UI login, and a PostgreSQL backend, still in beta, can replace the default file store. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MPL-2.0 licensed.

An agent run can finish without errors and still give the wrong answer, so TraceRoot traces every model and tool call, flags the production runs that missed the mark, and helps your coding agent ship verified fixes. Each run becomes a browsable call tree with inputs, outputs, latency, and cost, searchable by session or filter. Instrument with the Python or TypeScript SDK, the agent-native CLI, or any OpenTelemetry exporter, with ready integrations for LangChain, LangGraph, OpenAI Agents SDK, CrewAI, Vercel AI SDK, Mastra, and Pydantic AI. Detectors use LLM judges to score live traffic against the behavior you define and can post alerts to Slack. Judge outputs cluster into signals, then a background coding agent reads the traces and your connected GitHub code in a sandbox and recommends changes down to the commit, file, and line. Datasets, test cases, and scored eval runs compare versions so regressions surface before a release, and dashboards of widgets chart your trace data. The CLI hands your coding agent, such as Claude Code or Codex, the traces, signals, detectors, and evals to work from. Self-hosting keeps all of that trace data on infrastructure you 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 (core edition).

Command and automate your entire fleet of 3D printers without relying on proprietary cloud services using Bambuddy, a self-hosted management hub that delivers local network control, print scheduling, and job archiving for Bambu Lab hardware. Print shop operators can route slicing output directly from Bambu Studio or Orca Slicer through virtual printer proxies that emulate physical machines while automatically cataloging print files in a searchable 3D repository. The automated dispatch engine assigns queued gcode files to available printers based on required nozzle temperatures, build plate dimensions, and matched multi-color filament slots. Users can inspect live camera streams across multiple printing beds simultaneously, verify empty build plates before dispatching new jobs, and generate stabilized timelapse videos with custom music. Integrated smart plug connectors automatically cut power to idle machines when print cycles finish and trigger push notifications to Discord or mobile devices if thermal anomalies or mechanical pauses occur. Farm managers can schedule maintenance alerts based on cumulative motor runtime, track spool inventory levels across storage locations, and synchronize printing configurations across duplicate hardware setups. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GNU AGPL v3.0 licensed.

DCM is a visual builder that eliminates docker-compose copy-paste anxiety for home server enthusiasts. The TypeScript and Next.js web interface on port 7576 presents a curated catalog of popular self-hosted applications organized into categories: media management with Jellyfin, Plex, Sonarr, Radarr, and Prowlarr; dashboards like Homarr and Heimdall; databases including PostgreSQL, MariaDB, MongoDB, and Redis; monitoring stacks with Grafana and Prometheus; download clients like qBittorrent and NZBGet; security tools including Vaultwarden; storage solutions like Nextcloud; and home automation via Home Assistant. Select any combination of containers and DCM generates both compose.yaml and .env files with correct volume mounts, environment variables, PUID/PGID ownership, network modes, and port mappings — ready to paste into your terminal. Automatic port conflict detection identifies clashing services and reassigns ports before you ever hit a deployment error. The Template Gallery ships predefined multi-container stacks for common setups: media servers, development environments, database clusters, and monitoring solutions — some incorporating ten or more services in a single template. Built as a static Next.js export served from a 62 MB multi-arch Docker image supporting amd64, arm64, and arm/v7, DCM runs on everything from rack servers to Raspberry Pis. Share generated configurations via URL or download them locally. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

ZTNET provides a polished web dashboard for running your own ZeroTier network controller, covering network creation, member authorization, IP assignment, flow rule editing, and real-time node monitoring entirely from the browser. The organization system supports multi-tenant deployments where teams manage separate network pools with role-based permissions and customizable email notification templates for events like member joins, departures, IP changes, and authorization updates. Each network view displays connected members with their ZeroTier addresses, assigned IPs, last-seen timestamps, physical endpoints, and protocol versions in a clean tabular layout. The admin panel provides platform-wide user management, SMTP configuration for transactional emails, and system-level settings. Built on the T3 stack with Next.js, Prisma ORM, tRPC, TypeScript, and Tailwind CSS with DaisyUI components, the application supports both PostgreSQL and SQLite for persistence and communicates directly with the ZeroTier controller daemon through its native API. Dark and light themes adapt to user preference, and responsive layouts make network management practical from any device. Docker Compose bundles the web application alongside the ZeroTier controller service. Over 100,000 Docker pulls confirm steady community adoption. GPL-3.0 licensed.

Over 400 technologies and thousands of smart devices from any manufacturer, unified under one roof: openHAB is the vendor-neutral home automation platform with a pluggable binding architecture. Each binding translates a device or service into openHAB's clean abstraction: Things expose Channels, Channels link to Items, and Items feed a rules engine that runs your home. That engine meets you at your skill level: Blockly gives non-programmers drag-and-drop visual logic, JS Scripting (GraalJS with the openhab-js library) is the modern text-based standard, the classic Rules DSL remains supported, and JSR223 opens the door to Python, Ruby, and Groovy. Time- and event-based triggers, scripts, notifications, and voice control compose into automations of any complexity, and users report decade-old rule sets still running rock solid. The Main UI handles configuration, semantic modeling, and now built-in charting - no external Grafana required. Built in Java on Apache Karaf's OSGi runtime and stewarded by the non-profit openHAB Foundation, it requires no cloud to function: everything runs locally, talking directly to your devices. Optional connectors bridge to Alexa, Google Assistant, and HomeKit, with iOS, Android, and web apps for control from anywhere.

One install, many shops: Sylius runs separate storefronts with their own languages, currencies, and countries from a single admin panel. Products are simple or configurable. Define a size option, generate variants from S through XXL, and track stock per variant. Attributes, translations, and a nested taxon tree keep the catalog organized. Prices are set per channel. Catalog promotions add sale badges and struck-through prices. Cart promotions pair rules, like a minimum item total, with actions, like a fixed order discount, optionally behind coupon codes. Shipping methods carry delivery windows, zone eligibility, and shipping and tax categories. Order pages show items, shipping, taxes, promotions, payment state, and customer details. The dashboard charts sales and paid orders over time and lists pending work. A ready-made storefront covers product pages, a cart, checkout with address, shipping, payment, and review steps, customer accounts with order history, and product reviews. Custom frontends talk to separate shop and admin REST APIs, documented in OpenAPI. Every enabled locale adds a translation section to products, taxons, shipping methods, and promotions. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

With 21,400 GitHub stars, 500+ contributors, and battle-tested since its 2016 open-source release after powering Facebook's mobile backend infrastructure, Parse Server delivers production-grade Backend-as-a-Service that eliminates months of custom API development. The platform generates REST and GraphQL endpoints automatically from your data schema with class-level permissions and object-level ACLs providing granular access control. Cloud Code enables server-side JavaScript execution for triggers (beforeSave, afterSave, beforeDelete, afterDelete), custom functions, and scheduled jobs — all deployable without restarting the server. Live Queries push realtime data changes to subscribed clients via WebSockets, powering chat applications, collaborative editors, and live dashboards. Push notification support spans APNs for iOS, FCM for Android, and web push for browsers with audience segmentation, scheduling, and delivery analytics. The Parse Dashboard provides a comprehensive admin interface with a data browser featuring configurable info panels, graph visualization, custom canvas builder with draggable elements, AI agent integration via OpenAI, data import/export, and multi-factor authentication. Database flexibility supports MongoDB 6-8 and PostgreSQL 13-18 with PostGIS for geospatial queries. Native SDKs cover JavaScript, iOS (Swift/Objective-C), Android, Flutter/Dart, .NET/Xamarin, Unity, PHP, and Arduino for IoT devices. Deploy via npm, Docker, or the official Express template with automatic schema migration. 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.

Most web links eventually break - the sobering statistic Shiori, a bookmark manager with archiving by default, is built on. Its answer is archiving by default - where possible, every bookmark you save gets a clean, readable offline copy parsed from the page, ads and navigation stripped, so the article survives even after the original URL dies. Conceived as a simple Pocket clone and written in Go, the entire server is a single binary using roughly 25-30 MB of RAM with SQLite out of the box (Postgres and MySQL supported) - genuinely the lightest archiving bookmark manager you can run. Saving is one click through the Firefox and Chrome extensions, and finding things again is where Shiori quietly outperforms its size: full-text search covers the archived page content, not just titles and tags, so you can find that article by a phrase you remember from paragraph six. Reader mode presents the cleaned text; archive mode shows the preserved page. It's dual-interface by design - a pretty web UI (installable as a PWA on mobile) and a complete CLI for terminal devotees - plus a REST API for scripting. Pocket imports work natively, and Netscape HTML handles browser imports and exports. Multi-user support included. MIT-licensed.

Google Workspace and Microsoft 365, replaced by a platform you actually control: Nextcloud is the self-hosted digital workspace. Files is the core: file storage and sync across desktop, mobile, and web clients, with sharing, versioning, and collaboration built in. Around it, Talk provides private text chat, audio/video conferencing with screen sharing, SIP integration, and persistent voice rooms; Groupware bundles calendar, contacts, and mail with delegation support; and Office offers two collaborative suites - the Collabora-based option with deep ODF support, and Euro-Office, whose local-processing architecture delivers strong Microsoft Office compatibility and fast browser rendering with reduced server load. The Nextcloud Assistant threads AI through the platform via a context-aware sidebar, Whiteboard covers visual collaboration, Flow handles automation, and an app ecosystem of hundreds of extensions adds everything from Kanban boards to end-to-end encryption. Hub 26 brings a lighter UI with a unified app switcher and Nextcloud Governance for organizations under strict regulatory requirements. This is the flagship of data sovereignty: your files, chats, calendars, and documents live on your server, under your jurisdiction, with GDPR compliance by architecture rather than by contract.

Follow every sale from first inquiry to final payment inside one self-hosted CRM. Cordys CRM splits the lead-to-cash cycle into connected modules: leads with custom forms and one-click conversion, customers with contact records and shared follow-up among team members, and opportunities that advance through configurable stages from needs confirmation to won or lost. Quotations and contracts come next, with contracts carrying payment plans, payment records, business titles, and invoice records so every collection stays traceable. Orders link to contracts and move through a customizable status flow covering shipment requests, partial and full shipment, inspection, and completion. Approval workflows route requests to reviewers and keep an approval history, and real-time notifications reach users while they work. Administrators draw the organization chart, assign role-based permissions, configure modules and form fields without code, and review system logs. An MCP server secured with per-user API keys lets MaxKB agents search records, create leads, customers, opportunities, and contacts, log follow-ups, and update accounts, while an Agents module embeds those assistants in the CRM and CRM Skills connect OpenClaw and WorkBuddy to the sales process. Sales data can feed DataEase dashboards, WeCom, DingTalk, and Lark integrations link departments and messages to the office platforms teams already use, and the interface ships in English and Chinese. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GPL-3.0 licensed with FIT2CLOUD branding terms.

EmDash rebuilds the WordPress publishing experience as an open-source CMS, with drafts, revisions, scheduled posts, a media library, menus, widgets, and plugins that run in sandboxes and can only do what they declare. Writers get a rich-text editor with featured images, slugs, bylines, categories, and tags, plus signed preview links for unpublished work and a calendar of everything published or scheduled. Site builders define their own content types in a visual schema builder, choosing required and searchable fields, URL patterns, comments, SEO metadata, and edit locking so two people never overwrite each other. Uploads are drag and drop, with folders and filename search in the media library. Menus, sidebar widgets, reusable sections, and redirects with a 404 log shape the public site. Access is passkey-first, with OAuth and magic-link fallbacks, four roles from Contributor to Administrator, comment moderation, and personal API tokens. Coming from WordPress? Point the importer at a migration key, a site URL, or an exported XML file and it carries over posts, pages, media, and taxonomies. Plugins add hooks, settings, admin pages, dashboard widgets, custom blocks, and API routes after declaring capabilities such as content:read or email:send, while a built-in MCP server and CLI let AI assistants manage content directly. Blog, marketing, and portfolio templates give new sites a head start. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

VitoDeploy replaces a pile of SSH sessions and shell scripts with one browser tab for provisioning servers and deploying websites, on a control panel you host yourself. Spin up a server on AWS, Akamai (Linode), DigitalOcean, Vultr, Hetzner, or Proxmox in a few clicks. Attach any Ubuntu machine you already own as a custom server. Add sites built with PHP, Laravel, or WordPress, or run Node.js and Bun apps behind a reverse proxy. Pull code from GitHub, GitLab, Gitea, or Bitbucket. Set environment variables and HTTP basic authentication. Issue Let's Encrypt, wildcard, or custom SSL certificates. Create MySQL, MariaDB, or PostgreSQL databases, manage their users, and send backups to Amazon S3, Wasabi, FTP, SFTP, Dropbox, or local disk. Manage firewall rules, cron jobs, Supervisor workers, Redis, and multiple PHP versions from the same screens. Watch CPU, memory, and disk use for each server, then open a live SSH shell without leaving the page. Agencies split clients into projects, invite teammates as Admins or Users, and send alerts to Slack, Discord, Telegram, or email. Workflows automate deployments, backups, and maintenance. Plugins, DNS record management, export and import of your setup, and a REST API round out the toolkit. The panel itself needs only 1 GB of RAM and 1 CPU core, then manages your other machines over SSH. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

Log a date, amount, and category; get a clean monthly pie chart and a cashflow strip showing income, expenses, and net balance - ExpenseOwl is expense tracking stripped to what actually matters. The MIT-licensed Go application deliberately is not a budgeting system - no envelopes, no accounts, no double-entry, no bank sync - because its author found tools like Firefly III and Actual too heavy for the simple question "where did this month's money go?" The dashboard makes that question fast: click a pie slice to exclude fixed costs like rent and see discretionary spending clearly, then drill into a chronological table view to inspect or delete individual transactions. Recurring transactions handle salaries and subscriptions automatically, optional tags add a second classification axis, and settings cover custom categories, currency symbol, and a configurable month start date for non-calendar pay cycles. CSV import migrates data from virtually any other tool, and CSV export keeps your data portable. It ships as a self-contained binary and multi-architecture Docker image with zero internet interaction, stores data in flat JSON files by default (PostgreSQL optional), and installs as a PWA on phones. Single-user by design; pair it with an authenticating reverse proxy if exposed publicly.

Your house already has lights, locks, sensors, thermostats, and speakers from many brands, and Home Assistant gives them one local control room with no vendor cloud in the loop. To close the shutters when the outdoor temperature holds above 25 °C, or to be alerted when the garage door is left open, build the routine in the visual editor: When, And if, Then do. Scenes, scripts, and blueprints package it for reuse, and run traces show what it did. More than 1,500 integrations cover Zigbee, Z-Wave, Matter, Thread, MQTT, ESPHome, Bluetooth, Hue, and Sonos, and network discovery offers known devices for one-step setup. To see the house at a glance, drag tile, thermostat, gauge, graph, and map cards into a dashboard, then put it on a TV with Home Assistant Cast. The Energy dashboard answers where the power goes, drawing solar, grid, battery, gas, and water as one distribution diagram with cost totals and per-appliance tracking. To talk to the house, use Assist: natural-language commands, wake words, and custom sentences run locally or through Home Assistant Cloud. The map panel shows who is home, plotting people against zones such as Home, Work, and School from the iOS and Android companion apps. Areas and labels keep large setups tidy, and multi-factor authentication guards each account. 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.

Named from the German "Ich schrei sonst" - roughly "or I'll scream" - Isso is a lightweight Python/JavaScript commenting server, a drop-in Disqus replacement for people who noticed what Disqus does to reader privacy and page load times. The design premise is printed right in the docs: comments are not Big Data. So the backend is a single SQLite file rather than a database cluster, and the entire client is one embeddable JavaScript file - 65 kB, 20 kB gzipped - that you drop into any static site, blog, or CMS. Commenters write in Markdown, need no account, and can edit or delete their own comments within a configurable window (15 minutes by default). Spam control comes from an optional moderation queue: held comments stay invisible until you activate them via an admin interface or email notification links. Migration is a first-class feature, with importers for Disqus and WordPress exports, so years of existing threads move over intact. Because everything is server-rendered from your own instance, no third party tracks your readers, and real-world switchers report smaller pages and faster loads than the Disqus embed. MIT-licensed, running since 2012.