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Icecast is an open source streaming media server for hosting internet radio and live audio streams using common streaming protocols and formats.

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Live365+5

Self-hosted web app for managing sports heats, live scoring, and real-time leaderboards, with athlete and startlist management and CSV exports.

Open Source Sendmail provides a subset of Proofpoint's Sendmail Sentrion MTA for large-scale mail deployments; current release is 8.16.1 with a PGP-signed tarball and Ope...

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Postfix+12

Exim is an open source SMTP message transfer agent (MTA) for Unix-like systems, offering flexible mail routing and extensive controls for handling inbound email.

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Amazon Simple Email Service (Amazon SES)+10

Citadel is an open source groupware and messaging server providing email, calendars, contacts, and a web interface with room-based collaboration.

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Microsoft Exchange Online+19

Mistborn aggregates threat intelligence from multiple sources to enrich, normalize, and distribute IOCs for security analysis and incident response workflows.

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VirusTotal+2

SPIP is a free, multilingual CMS focused on collaborative publishing, editorial workflows, and flexible templating for websites, magazines, and organizational portals.

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WordPress.com+12

Open-source, minimal ActivityPub server in portable C — multiuser, Mastodon-API compatible, no database required, JavaScript-free web UI for small federated instances.

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Mastodon (mastodon.social)+6

Roon is a music library manager and multi-room audio player that combines local files with streaming services, offers rich metadata, and supports high-resolution playback...

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Plex+12

MediaWiki is an open source wiki engine for building collaborative knowledge bases with versioned pages, templates, categories, and a powerful extension system.

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Atlassian Confluence+16

Lightweight Rust link shortener with templates, captcha anti-spam, phishing detection, click counting, and SQLite/PostgreSQL/MySQL support.

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Bitly+11

Schleuder is an OpenPGP-enabled mailing list manager that encrypts list mail and supports remailing, allowing subscribers and non-subscribers to exchange secure emails vi...

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Groups.io+3

Open edX is a scalable, modular LMS for delivering MOOCs and online programs with video, assessments, discussions, instructor tools, and extensible integrations.

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Canvas LMS+19

Akkoma is an Elixir/Phoenix fork of Pleroma implementing ActivityPub, with Misskey-flavored markdown, custom emoji reactions, multiple frontends and performance improveme...

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Pleroma+5

Turtl is an end-to-end encrypted note-taking and bookmarking app with tagging, full‑text search, and optional self-hosted sync via Turtl Server.

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Standard Notes+19

Richy is a self-hosted personal finance tracker to record income and expenses, categorize transactions, and monitor budgets over time.

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Mint (Intuit Mint)+16

GitLab is a web-based DevOps platform providing Git repository hosting, issue tracking, merge requests, and built-in CI/CD pipelines for teams.

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GitHub+19

Psono is a self-hosted, open-source password manager with client-side encryption, web & mobile clients, admin portal and a fileserver for encrypted file storage.

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LastPass+9

Continuwuity is a fast, lightweight Matrix homeserver written in Rust, focused on stability, performance, and improved Matrix specification compliance for federation.

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Element Matrix (Hosted)+6

Pagure is a self-hosted Git platform for hosting repositories, managing issues and pull requests, and collaborating with teams via a web interface and APIs.

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GitHub+6

FMD Server is the self-hostable backend and web interface for FMD Android, enabling remote location, ring, and basic control actions for lost or misplaced devices.

Noosfero is a web platform for building community portals and social networks, combining CMS features with profiles, groups, and collaborative publishing.

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WordPress.com+14

Open-source PHP content management system and MVC framework with admin UI, ORM, REST/GraphQL APIs, asset management and an extensible module ecosystem.

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WordPress.com+19

Free, open source student information system for managing students, grades, scheduling, attendance, billing, and school administration in one web app.

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PowerSchool+12

Free/libre web service for creating date-based scheduling polls and classic option polls; no registration required. Operated by Framasoft and built on the Pollaris open-s...

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Doodle+15

Self-hosted, federated audio platform to upload, organize, stream, and share music and podcasts across instances via ActivityPub.

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SoundCloud+17

Neos is a PHP-based content application platform (CMS) focused on structured content, inline editing, and a powerful content repository for building websites and content-...

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Adobe Experience Manager+11

HomelabOS is an Ansible and Docker-based app platform to deploy, update, back up, and run 100+ self-hosted services with a simple “app store” experience.

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Cloudron+18

Passit is an open-source password manager to store passwords and secure notes, organize them in groups, and share access on self-hosted instances.

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LastPass+9

Lightweight, self-hosted error tracker compatible with Sentry SDKs. Docker-based install, SQLite-backed, PWA notifications, one-time purchase with unlimited events.

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Sentry+5