G
GitLab
OPEN SOURCE
The complete DevOps platform in a single application.
Best for — engineering orgs that want the whole pipeline under one roof.
Source control, CI/CD, security scanning and deployment in one product, self-hostable. Broader than GitHub, with a steeper price curve.
Developer Tools
Open source
Self-hosted
P
PostHog
OPEN SOURCE
The open-source product analytics suite for engineers.
Best for — engineering teams that want analytics, replay and flags in one.
Product analytics, session replay, feature flags and experiments in one open-source platform. Generous free tier; the surface area can overwhelm small teams.
Analytics
Developer Tools
Open source
S
Supabase
OPEN SOURCE
The open-source Firebase alternative, built on Postgres.
Best for — developers who want a real database with batteries included.
Postgres with auth, storage, realtime and edge functions attached. You keep SQL and portability; you own more operational decisions than with closed rivals.
API
Database
Developer Tools
Open source
D
Dub
OPEN SOURCE
Link management and attribution for modern marketing teams.
Best for — startups tracking campaign links with proper analytics.
Open-source link infrastructure with real analytics. Young, but moving quickly.
Analytics
Marketing
Open source
P
Papermark
OPEN SOURCE
Open-source document sharing with page-by-page analytics.
Best for — founders sharing pitch decks and tracking who actually reads them.
An open-source DocSend alternative: share decks, see who reads what.
Open source
Sales
P
Plane
OPEN SOURCE
Open-source project tracking you can self-host.
Best for — engineering teams that want a Linear-style tracker under their own roof.
A credible open-source alternative to Linear and Jira. Younger product, moving fast — expect some rough edges in exchange for control.
Developer Tools
Open source
Self-hosted
P
Plausible
OPEN SOURCE
Simple, privacy-first web analytics without cookies.
Best for — small teams wanting lightweight, privacy-focused analytics.
One dashboard you will actually check, no cookie banner required. Not built for deep funnel or product analytics.
Analytics
Open source
Privacy
C
Cal.com
OPEN SOURCE
Open-source scheduling you can self-host and customize.
Best for — teams that want Calendly-style booking with full control.
The free individual plan handles client booking completely — no upsell wall at the exact feature you need.
Open source
Scheduling
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