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Open Source Alternatives

List of open-source alternatives to everyday SaaS products.

btw-so/open-source-alternatives
Open GitHub
List stars
8,583
README repos
146
Indexed repos
145
List commits
59
Forks
362
Open issues
45

Tracked list growth

GitHub stars and default-branch commits for btw-so/open-source-alternatives.

Latest scan 2026-07-17 10:49

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3 repos matching these filters.

Topic: ab-testing
Latest repo push 2026-07-17

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PostHog/posthog

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

AI dev
Stack
Python Cargo CMake Go modules
GitHub topics
#ab-testing #ai-analytics #analytics #cdp #data-warehouse #experiments
Updated
2026-07-17
Lists
6 list mentions
First commit
2020-01-23
License
NOASSERTION
Issues
4,985 open
Sign in to like PostHog/posthog
35,921
stars
Forks
2,996
Commits
51,030 commits
Star growth, last 7 days
+505 +1.4%
Commit velocity, last 7 days
+941 +1.9%
Website GitHub
openflagr/flagr

Flagr is a feature flagging, A/B testing and dynamic configuration microservice

AI dev
Stack
Go gRPC Go Svelte Vite Vue Go modules npm
GitHub topics
#ab-testing #dynamic-configuration #feature-flags #feature-toggles #golang #swagger
Updated
2026-07-10
Lists
1 list mention
First commit
2017-10-02
License
Apache-2.0
Issues
2 open
Sign in to like openflagr/flagr
2,600
stars
Forks
203
Commits
857 commits
Star growth, last 7 days
0 0.0%
Commit velocity, last 7 days
0 0.0%
Website GitHub
featbit/featbit

Enterprise-grade feature flag platform that you can self-host. Get started - free.

Stack
C# Angular ASP.NET Core Entity Framework Flask .NET SDK npm pip
GitHub topics
#ab-test #ab-testing #asp-net-core #continuous-delivery #csharp #dotnet
Updated
2026-07-07
Lists
2 list mentions
First commit
2022-08-28
License
MIT
Issues
23 open
Sign in to like featbit/featbit
1,851
stars
Forks
142
Commits
1,112 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub