Open Source Software Alternatives

Open-source, self-hosted database backup and restore platform for PostgreSQL, MySQL, MongoDB, Redis, and more.

Open-source email platform for sending transactional and marketing emails, self-hostable with a clean API.

OpenTelemetry-native observability platform for logs, metrics, traces, alerts, and exceptions — a self-hostable Datadog and New Relic alternative.

Open platform for governing execution authority at decision surfaces across agents, AI systems, and enterprise workflows.

Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions

A self-hosted tunneling tool — like ngrok, but on your own domain. Expose local dev servers through subdomains on your VPS.

OpenVPN is an open source VPN daemon

Open-source authentication solution, an alternative to Auth0 and Firebase Auth that you can self-host.

Take Back Control of Your Productivity

Self-hosted read-it-later app that saves articles for offline reading with a clean, distraction-free view.

Self-hosted Kanban and scrum project management tool with real-time collaboration, sprints, and anonymous shareable boards.

PhotoPrism is an AI-powered self-hosted photo library for browsing, organizing, and sharing your collection. Built in Go, it bakes privacy into the core of every feature you use.

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, Mistral Small 3.1 and other large language models.

A simple, lightweight home media server for UNIX systems.

Open source game engine that reimplements early Westwood classics including Command & Conquer: Red Alert, Tiberian Dawn, and Dune 2000.

Open source read-it-later app with full-text search, highlighting, notes, newsletter support, and integrations with Logseq and Obsidian.

OBS Studio is free and open source software for live streaming and screen recording. Capture, mix, and broadcast video with pro-grade tools used by streamers and creators worldwide.

Fast, typo-tolerant open-source search engine with vector, hybrid and semantic search — a simpler, cheaper alternative to Algolia.

Open-source authentication platform for Next.js and React, built as an alternative to Auth0 and Clerk.

Shako is a self-hostable link-in-bio page builder made with Astro, React, and Tailwind. Customize themes, track clicks, and own all your audience data on your own infrastructure.

Open-source platform for building and deploying reliable background jobs, scheduled tasks, and AI workflows in TypeScript.

A fully featured open-source enterprise CRM built as a community fork of SugarCRM.

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

An open-source, cross-platform remake of Civilization V that runs on Android and desktop with full mod support.

An open-world, voxel-based multiplayer RPG inspired by Cube World, built with the Rust programming language.

Free, open source Kanban project management software focused on simplicity and visual task tracking.

Open-source, self-hosted customer support desk in a single binary. Omnichannel inbox with email and live chat, plus a built-in help center.

Desktop photo manager and image editor for Linux, Windows, and macOS with RAW development, batch processing, and Immich/Nextcloud integration.

A free, open-source PDF editor for Linux that lets you edit text, images and objects, merge documents, and export to DOCX, PPTX and more.

Open-source AWS-compatible cloud platform that runs EC2, S3, EBS, VPC, and IAM APIs on your own bare-metal servers.

Self-hosted price tracker that watches products from any store and alerts you when prices drop or stock returns.

Self-hosted recipe manager and meal planner that imports recipes from any URL and generates shopping lists.

Android music app that plays YouTube Music, Gaana and Saavn plus your local files through one ad-free interface.

A self-hosted game distribution platform for sharing DRM-free games with a store-like interface, flexible authentication, and cross-platform clients.

Self-hosted RAG chatbot platform that answers visitor questions from your website and PDFs, with a two-line embeddable widget and citations.

Self-hosted fitness tracking service for running, cycling, and more with full data control.

Free, open source mind mapping and knowledge management desktop app for Windows, macOS and Linux with scripting, LaTeX and add-ons.

Open-source, self-hosted log management with full-text search on object storage, OpenTelemetry ingestion, and team access control.

An open, queryable English dictionary dataset with 176,023 definitions in CSV, SQLite3, and MySQL formats.

Local-first, end-to-end encrypted password manager with passkeys, TOTP codes and native autofill. No account required, no telemetry.

An Obsidian plugin that provides IDE-style LaTeX autocomplete with English and Chinese keyword search for math formulas.

A free and open source instant messaging and VoIP chat app for friends, groups, and communities.

Open-source event calendar and ticketing platform with no platform fees on ticket sales.

Mnemo is a free, open-source desktop study app combining block-based notes, FSRS flashcards, and mind maps with no accounts or tracking.

Self-hosted RSS reader with feed discovery, YouTube support, folders, filters and webhooks. Self-host on web, or use the native desktop app.

Self-hosted inventory manager for households, homelabs, and small businesses. Free for non-commercial use.

An open-source, self-hostable PaaS alternative to Vercel, Heroku and Netlify — deploy apps, databases and one-click services on your own servers.

Open-source observability platform combining uptime monitoring, incidents, on-call, status pages, logs, traces, and metrics.

Self-hosted error tracking and performance monitoring: issues, traces, replays, logs, and cron monitors on your own infrastructure.

AirAssist is a menu-bar thermal monitor and workload governor for fanless Macs. Watch CPU temps live and throttle heavy processes before throttling hits.

Open-source task and chore manager for groups — natural-language scheduling, assignee rotation, and NFC completion triggers.