Most actively developed open source self-hosted projects

1

PostHog

Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel, Amplitude, Heap, HotJar, Optimizely).

Analytics

40k

AI-nativeStands out for the most commits in the last 12 months (41,124). PostHog has 40,486 GitHub stars, uses the MIT license and had 41,124 commits in the last year; it replaces Google Analytics and Metabase Cloud.

2

Wekan

Trello-like kanban.

Task Management

21k

Stands out for a permissive MIT license. Wekan has 21,143 GitHub stars, uses the MIT license and had 24,862 commits in the last year; it replaces Trello.

3

Checkmk

Scalable IT infrastructure and application monitoring for servers, networks and cloud.

Monitoring & Status PagesDocker

2.6k

Stands out for a published Docker image. Checkmk has 2,624 GitHub stars, uses the GPL-2.0 license, ships a Docker image and had 22,875 commits in the last year; it replaces Datadog.

4

Home AssistantFeatured

Home automation platform.

Home Automation & IoTDocker

92k

Stands out for the most GitHub stars. Home Assistant has 91,788 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 21,554 commits in the last year; it replaces Nest / SmartThings and Google Home.

5

Appwrite

End to end backend server for web, native, and mobile developers 🚀.

Low-code & BackendDocker

58k

Stands out for a permissive BSD-3-Clause license. Appwrite has 57,786 GitHub stars, uses the BSD-3-Clause license, ships a Docker image and had 21,189 commits in the last year; it replaces Firebase and Supabase.

6

Agenta

LLMOps platform for prompt management, LLM evaluation, and observability. Build, evaluate, and monitor production-grade LLM applications with collaborative prompt engineering.

AI & LLM ToolsDocker

4.9k

AI-nativeAgenta has 4,868 GitHub stars, uses the MIT license, ships a Docker image and had 21,140 commits in the last year.

7

TriliumNext Notes

Cross-platform hierarchical note taking application with focus on building large personal knowledge bases (fork of Trilium Notes).

Note-taking & EditorsDocker

39k

TriliumNext Notes has 38,600 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 20,724 commits in the last year; it replaces Evernote and Obsidian.

8

Ente

An end-to-end encrypted photo-sharing platform (alternative to Google Photos, Apple Photos).

Photo GalleriesDocker

30k

Ente has 29,691 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 19,069 commits in the last year; it replaces Google Photos and Adobe Lightroom.

9

OpenProject

Manage your projects, tasks and goals. Collaborate via work packages and link them to your pull requests on Github.

Project ManagementDocker

17k

OpenProject has 16,755 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 19,042 commits in the last year; it replaces Jira and Asana.

10

Odoo

Free open source ERP system.

ERP & InventoryDocker

55k

Odoo has 55,380 GitHub stars, uses the LGPL-3.0 license, ships a Docker image and had 17,454 commits in the last year; it replaces NetSuite and SAP Business One.

11

One Time Secret

Share sensitive information securely with self-destructing links that are only viewable once.

Team ChatDocker

3.0k

One Time Secret has 2,977 GitHub stars, uses the MIT license, ships a Docker image and had 14,938 commits in the last year.

12

Infisical Community Edition

Platform for secrets, certificates, and privileged access management.

UtilitiesDocker

30k

Infisical Community Edition has 30,060 GitHub stars, uses the MIT license, ships a Docker image and had 14,887 commits in the last year.