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-nativePostHog has 40,156 GitHub stars, uses the MIT license and had 35,167 commits in the last year; it replaces Google Analytics and Metabase Cloud.

2

Checkmk

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

Monitoring & Status PagesDocker

2.4k

Checkmk has 2,386 GitHub stars, uses the GPL-2.0 license, ships a Docker image and had 21,799 commits in the last year; it replaces Datadog.

3

Wekan

Trello-like kanban.

Task Management

21k

Wekan has 21,108 GitHub stars, uses the MIT license and had 19,700 commits in the last year; it replaces Trello.

4

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

4.8k

AI-nativeAgenta has 4,807 GitHub stars, uses the MIT license, ships a Docker image and had 18,955 commits in the last year.

5

Home AssistantFeatured

Home automation platform.

Home Automation & IoTDocker

91k

Home Assistant has 91,266 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 17,497 commits in the last year; it replaces IFTTT and Nest / SmartThings.

6

TriliumNext Notes

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

Note-taking & EditorsDocker

38k

TriliumNext Notes has 38,217 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 16,949 commits in the last year; it replaces Evernote and Obsidian.

7

Ente

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

Photo GalleriesDocker

29k

Ente has 29,252 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 16,902 commits in the last year; it replaces Google Photos and Adobe Lightroom.

8

OpenProject

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

Project ManagementDocker

16k

OpenProject has 16,321 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 16,144 commits in the last year; it replaces Jira and Asana.

9

ElasticSearch

Distributed, RESTful search and analytics engine.

Search Engines

78k

ElasticSearch has 78,194 GitHub stars, uses the AGPL-3.0, SSPL 1.0 or Elastic License 2.0 (your choice) license and had 13,336 commits in the last year; it replaces Algolia.

10

One Time Secret

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

Team ChatDocker

3.0k

One Time Secret has 2,953 GitHub stars, uses the MIT license, ships a Docker image and had 13,210 commits in the last year.

11

Infisical Community Edition

Platform for secrets, certificates, and privileged access management.

UtilitiesDocker

30k

Infisical Community Edition has 29,625 GitHub stars, uses the MIT license, ships a Docker image and had 13,051 commits in the last year.

12

Zabbix

Enterprise-class open-source monitoring for networks, servers, VMs and cloud services.

Monitoring & Status PagesDocker

6.4k

Zabbix has 6,441 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 12,704 commits in the last year; it replaces Datadog and Grafana Cloud.