Best Self-Hosted Open Source Software

Focalboard

Focalboard is an open source, self-hosted project management tool with kanban boards, multiple views, and a REST API.

Alternative to:

Asana

Stars26.5K

Forks2.6K

Last commit5 months ago

Zulip

Zulip is an open source team chat app with topic-based threading that organizes conversations for live and asynchronous discussion.

Alternative to:

Slack

Stars26.1K

Forks10.4K

Last commit3 days ago

Firefly III

Firefly III is a self-hosted personal finance manager for budgets, expenses, and income with double-entry bookkeeping.

Alternative to:

Quicken

Stars24.9K

Forks2.3K

Last commit2 days ago

Dub

Dub is an open-source link attribution platform for short links, conversion tracking, and affiliate programs.

Alternative to:

Bitly

Stars24.9K

Forks3.3K

Last commit2 days ago

Activepieces

Open-source automation platform with 280+ integrations, AI-first flows, and pieces usable as MCP servers.

Alternative to:

Zapier

Stars25.1K

Forks4.4K

Last commit3 days ago

authentik

authentik is a self-hosted identity provider supporting SAML, OAuth2/OIDC, LDAP, and RADIUS, built as an alternative to Okta, Auth0, and Entra ID.

Alternative to:

Auth0

Stars26K

Forks2.1K

Last commit2 days ago

Navidrome

Navidrome is an open source, self-hosted music server that streams your own library to any Subsonic-compatible client.

Alternative to:

Spotify

Stars24.2K

Forks1.8K

Last commit2 days ago

listmonk

listmonk is a self-hosted, single-binary newsletter and mailing list manager backed by PostgreSQL.

Alternative to: Favicon of Brevo

Brevo

Stars23.8K

Forks2.7K

Last commit2 days ago

Matomo

Matomo is a self-hosted, privacy-focused web analytics platform that tracks visitors on a server you control instead of a vendor's.

Alternative to:

Google Analytics

Stars22K

Forks2.9K

Last commit3 days ago

Airbyte

Airbyte is an open source data platform with 600+ connectors for moving data from APIs and databases to warehouses.

Alternative to:

Fivetran

Stars22.2K

Forks5.4K

Last commit2 days ago

Teable

Teable is an open-source, spreadsheet-like database that scales to millions of rows with real-time collaboration.

Alternative to:

Airtable

Stars21.9K

Forks1.4K

Last commit2 days ago

Parse Server

Open-source Node.js backend with REST and GraphQL APIs, push notifications, and file storage on MongoDB or Postgres.

Alternative to:

Firebase

Stars21.4K

Forks4.8K

Last commit3 days ago

Docmost

Docmost is an open source collaborative wiki and documentation platform with real-time editing, diagrams, spaces, and permissions.

Alternative to:

Confluence

Stars22K

Forks1.7K

Last commit3 days ago

LiveKit

LiveKit is an open source WebRTC platform providing a scalable SFU media server and client/server SDKs for real-time video, audio, and data.

Alternative to:

Agora

Stars21.5K

Forks2.5K

Last commit3 days ago

BookStack

BookStack is an open source platform for organizing documentation and information into books, chapters, and pages.

Alternative to:

Confluence

Stars19.1K

Forks2.4K

Last commit3 days ago

Windmill

Windmill is an open source platform that turns scripts into APIs, workflows, and internal UIs with auto-generated frontends.

Alternative to:

Retool

Stars18.2K

Forks1.1K

Last commit2 days ago

APITable

APITable is a database-spreadsheet hybrid with real-time collaboration, unlimited cross-table links, and an API-first architecture.

Alternative to:

Airtable

Stars15.6K

Forks1.4K

Last commit1 month ago

PeerTube

PeerTube is a decentralized, federated video platform built on ActivityPub, an open-source alternative to YouTube.

Alternative to:

YouTube

Stars15.4K

Forks1.9K

Last commit3 days ago

Seafile

Self-hosted cloud storage and file sync platform with library encryption, versioning, and team sharing.

Alternative to:

Dropbox

Stars15.3K

Forks1.7K

Last commit3 days ago

Automatisch

Automatisch is a self-hosted automation tool connecting apps like Slack and Twitter into workflows, without requiring programming knowledge.

Alternative to:

Zapier

Stars14K

Forks1.1K

Last commit8 months ago

Documenso

Documenso is the open source, self-hostable alternative to DocuSign for digital document signing.

Alternative to:

DocuSign

Stars15.4K

Forks3.4K

Last commit2 days ago

Unleash

Unleash is a feature flag platform for gradual rollouts, canary releases, and toggling functionality without redeploying code.

Alternative to:

LaunchDarkly

Stars13.9K

Forks910

Last commit3 days ago

Formbricks

Formbricks is an open source survey platform for in-app, website, link, and email surveys, self-hosted via Docker.

Alternative to:

Qualtrics

Stars13.1K

Forks2.6K

Last commit2 days ago

ILLA Builder

ILLA Builder is an open-source, self-hosted low-code platform for developers to build internal tools quickly.

Alternative to:

Retool

Stars12.3K

Forks1.2K

Last commit5 months ago

Quickwit

Open-source, Elasticsearch-API-compatible search engine built for sub-second search directly on cloud storage.

Alternative to:

Elasticsearch

Stars11.7K

Forks615

Last commit3 days ago

Owncast

Owncast is an open source, self-hosted live video streaming and chat server that gives you full control over your content.

Alternative to:

Twitch

Stars11.6K

Forks1.2K

Last commit4 days ago

Leantime

Leantime is an open source project management tool combining kanban, gantt, goal tracking, and wikis, built as an alternative to Asana and ClickUp.

Alternative to:

Asana

Stars11.8K

Forks1.2K

Last commit3 days ago

Mautic

Mautic is an open source marketing automation platform for email campaigns, segmentation, and multi-channel workflows.

Alternative to:

HubSpot

Stars10.8K

Forks3.5K

Last commit3 days ago

Akaunting

Akaunting is open source, self-hosted accounting software for small businesses, built on Laravel and Vue.

Alternative to:

QuickBooks

Stars10.2K

Forks3K

Last commit11 days ago

Invoice Ninja

Invoice Ninja is a self-hostable invoicing, billing, and payments platform with client portals, recurring invoices, and Stripe support.

Alternative to:

FreshBooks

Stars10.3K

Forks2.8K

Last commit3 days ago

Nhost

Nhost bundles PostgreSQL, an instant GraphQL API, authentication, storage, and functions as a Firebase alternative.

Alternative to:

Firebase

Stars9.4K

Forks634

Last commit3 days ago

BigBlueButton

BigBlueButton is an open-source virtual classroom with video, whiteboards, polling, and breakout rooms for teaching.

Alternative to:

Google Meet

Stars9.2K

Forks6K

Last commit2 days ago

Ghostfolio

Open-source wealth management app for tracking stocks, ETFs, and crypto with portfolio performance analytics.

Alternative to:

Kubera

Stars9.5K

Forks1.4K

Last commit3 days ago

HeyForm

HeyForm is an open source conversational form builder for surveys, quizzes, and polls, with logic, theming, and analytics.

Alternative to:

Typeform

Stars9K

Forks719

Last commit4 days ago

Anytype

Anytype is a local-first, end-to-end encrypted personal knowledge base for building pages, wikis, and databases with peer-to-peer sync.

Alternative to:

Notion

Stars8.9K

Forks591

Last commit6 days ago

Best Self-Hosted Open Source Software

Self-hosted, open-source software you can run on your own server for full control and privacy—ranked by GitHub stars, activity, and license.