Open Source Software Alternatives

Open-source managed agent platform for running AI agents on any model and any machine, self-hostable via Docker.

Open-source Q&A platform for communities, help centers, and internal team knowledge bases, with voting, reputation, and a plugin system.

A privacy-first open source habit tracker for iPhone and iPad with a non-binary habit score, optional iCloud sync, and no account or subscription.

Self-hosted, booru-style gallery that tags, searches and deduplicates a local image, video and comic collection.

Desktop app for organising, describing and annotating photographs of archival research material.

Self-hosted library for ebooks, comics, and audiobooks with built-in readers, metadata lookup, and Kobo and OPDS sync.

Terminal-based stock, crypto, and derivatives watcher for live quotes and portfolio positions.

Self-hosted music player with Pandora-style stations, shared listening lobbies, and playlist imports, built on a Subsonic-compatible library.

Open source CRM with unlimited users, built by the Frappe team for lead, deal and sales pipeline management.

Offline-first workout tracker for strength training and cardio with progress graphs, background rest timers and a local database.

Self-hosted PHP CMS with in-context page editing, drag-and-drop blocks, granular permissions and a marketplace of themes and add-ons. MIT licensed.

Self-hosted file sharing platform with direct S3 uploads, SSO, and role-based access control.

A beautiful, self-hosted ROM manager and player for your retro game collection, with rich metadata and in-browser emulation.

Self-hosted media organizer and server that tags, scrapes metadata for, and streams your video and image collection, including NSFW content.

Self-hosted PHP app that turns Reddit, Hacker News, Lemmy, Lobsters, PieFed, Mbin and GitHub into filtered RSS feeds of their most popular posts.

Lightweight open source BitTorrent client with native desktop apps, a headless daemon and a built-in web UI.

AI-powered Mac app that privately turns your screen activity into an automatic work journal and daily timeline.

Self-hosted shift management for teams: unlimited calendars, one-click shifts, sharing, external calendar sync, and ICS/PDF export.

A fast, keyboard-driven, GPU-rendered IDE for macOS and Linux with terminals, LSP intelligence, debugging, and a built-in AI coding agent.

Compositor is a free, open-source Photoshop-style image editor built in Swift, native to macOS.

Self-hosted all-in-one media tracker and Trakt alternative for movies, TV, anime, books, games, music, and podcasts.

Free, open-source desktop video editor for Linux, Windows, and macOS built with Qt 6 and FFmpeg.

Realtime, self-hosted recipe app for households: import recipes from anywhere, plan meals, share groceries and cook together.

Open-source daemon that runs Cloudflare Workers and Durable Objects on your own machines, with state stored in an S3-compatible bucket.

Local-first project management for developers and AI agents, with a CLI, web UI, SQLite backend, and native skills for Claude Code, Cursor, Codex, and more.

An open-source dictionary file format and toolchain with instant offline lookups, full-text search, and APIs for Rust, Python, and JavaScript.

A free, open-source cross-platform music player for Navidrome, Jellyfin, Plex and other Subsonic-compatible servers.

Self-hosted file management and sharing platform that unifies local disk and multiple cloud storage providers behind one web interface.

Open source wiki and documentation platform with a books/shelves/pages model — a simple, self-hostable alternative to Confluence and Notion.

Long-running self-hosted RSS/Atom feed reader and aggregator, originally created in 2005 and now maintained at github.com/tt-rss/tt-rss.

Open-source no-code platform for web scraping, crawling, monitoring and AI data extraction.

Fully local voice cloning, dubbing, dictation, and transcription in one desktop app - an open-source ElevenLabs replacement.

Self-hosted web app for archiving, searching, and exporting email from multiple IMAP accounts with migration support.

Self-hostable open source email archiving platform for compliance, retention, legal hold, and full-text search.

A lightweight, privacy-first web analytics platform written in Rust. No cookies, no database, under 1KB tracking script.

Open source CRM built with React, Supabase, and shadcn/ui for contacts, deals, tasks, notes, and email capture.

Open-source self-hosted personal finance manager with bank sync, multi-currency budgets, investments, splits, and an optional self-hosted AI assistant.

Open source disposable email testing server with built-in SMTP, POP3, REST, and web interfaces — no database required.

Self-hostable web-based genealogy application that turns GEDCOM files into collaborative family tree websites.

Open source desktop genealogy program for building and exploring detailed family trees with full local data control.

Open-source desktop image editor where you and MCP-connected AI agents edit the same layered PSD project side by side.

Free, open-source SketchUp alternative for 3D woodworking and furniture design, in the browser or on desktop.

Single-binary cron job manager and process supervisor with a web dashboard, terminal UI, run history, and failure alerts.

Self-hosted product intelligence workspace that unifies traffic, revenue, and infrastructure metrics with BYOK AI agents and reports.

An open-source AI agent skill that builds a local Next.js editor for App Store and Google Play screenshots with device frames and store-size exports.

Container-friendly, leader-electing, fault-tolerant cron replacement with a built-in web dashboard, DAG orchestration, and durable state.

Open-source two-party VPN that cryptographically prevents both Obscura and its exit hop from seeing your traffic.

Self-hosted tiling image board for saving, tagging, and sharing images, videos, and webpages.

Self-hosted software license procurement and lifecycle tracking: requests, quotes, purchases, renewals, vendors, documents, and audit history.

A lightweight, self-hosted commenting server written in Python and JavaScript, built as a drop-in replacement for Disqus.

Visually build and deploy AI agents and workflows in Python, with built-in API and MCP servers. MIT-licensed and backed by DataStax.