Mitra is a self-hosted calendar that puts your tasks on the same timeline as your events, so planning a week finally happens in one place instead of two. Drag across empty grid space to make an entry, drag it to move it, and stretch its edges to resize it. Tasks without a date sit in the Planning tab with a due date and an estimate until you drag them into the week. Subtasks and dependencies draw as lines between entries. Availability shading lays your working hours under the grid so double-booking becomes obvious before it happens. Keep calendars inside Mitra with no account behind them, or connect the ones you already use: CalDAV, Google Calendar, Apple Calendar, Notion, Todoist, and Tempo all sync both ways, and published feeds arrive as read-only subscriptions. Lists sort, filter, and change many entries at once. Files attach to entries, guests reply, reminders land as push notifications, and a command palette drives everything from the keyboard. Claude, Cursor, and other AI tools can read and plan your calendars over MCP. Eight languages, right-to-left layouts, light and dark themes, phone install, and OIDC sign-in for several people round it out. 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.

BrightBean Studio provides an open-source social media management suite that centralizes multi-account publishing, visual calendar scheduling, idea tracking, and cross-channel analytics into a unified self-hosted dashboard. Content creators and marketing agencies draft cross-network posts within an interactive composer that provides real-time channel previews and custom caption overrides for individual networks. The visual drag-and-drop calendar maps publishing queues across recurring weekly time slots, while an integrated Kanban board organizes brainstorming concepts from unassigned ideation to production-ready schedules. Community managers monitor unified social inboxes aggregating direct messages, mentions, and comments across Facebook, Instagram, LinkedIn, YouTube, TikTok, Bluesky, Threads, Pinterest, and Mastodon. Team leads configure multi-tier approval workflows with threaded editorial comments and issue passwordless 30-day magic links so external clients can approve drafts without registration. Built-in performance dashboards aggregate engagement rates, follower growth curves, and watch time metrics directly from native network APIs without relying on third-party data aggregators. 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.

pretalx is the open-source conference management platform that carries an event from its Call for Papers to the published schedule, keeping speakers, reviewers, and organisers in one system while hundreds of talk submissions, reviewer opinions, and schedule changes arrive up to the last minute. Publish a CfP that matches your event: your logo, your colors, your own CSS, separate deadlines per session type, and submissions in multiple languages on your own domain. Reviewers score and discuss proposals, anonymously or openly, and extra review questions can sort talks by track or experience level. Email templates in several languages go through an outbox, so every acceptance and rejection can be proofread before sending, and speakers get profile pages with their information and downloads. The schedule editor works around speaker availability and warns about double-booked speakers and clashes before anything goes public. Published schedules stay updateable, with an RSS feed and a public changelog for attendees, exports in frab-compatible JSON, XCal and XML, and a static HTML export for hosting elsewhere. Plugins and a REST API cover the odd requirements every real event invents. 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.