Open-source alternatives to developer SaaS

Pick a SaaS product you already use. Each page lists open-source tools that cover the same job, with self-host notes where they apply.

Notion

All-in-one workspace for docs, databases, and wikis. · 13 open-source alternatives

Mixed hosting

Evernote

Note-taking app with sync, search, and web clipper. · 7 open-source alternatives

Mixed hosting

Google Keep

Lightweight note and checklist app with Google account sync. · 6 open-source alternatives

Mixed hosting

Inkdrop

Commercial Markdown notebook aimed at developers. · 3 open-source alternatives

Mixed hosting

Auth0

Managed authentication and authorization platform. · 5 open-source alternatives

Self-hostable

Okta

Enterprise identity and access management. · 3 open-source alternatives

Self-hostable

Google Analytics

Web and product analytics from Google. · 5 open-source alternatives

Self-hostable

Mixpanel

Product analytics focused on events and funnels. · 2 open-source alternatives

Self-hostable

Postman

API client, collections, and collaboration workspace. · 5 open-source alternatives

Mixed hosting

Firebase

Google BaaS with auth, database, hosting, and functions. · 5 open-source alternatives

Self-hostable

Heroku

PaaS for deploying apps with add-ons and dynos. · 2 open-source alternatives

Self-hostable

Portainer

Container management platform for Docker, Swarm, and Kubernetes with a paid Business Edition. · 1 open-source alternative

Self-hostable

Featurebase

Feedback boards, public roadmap, changelog, and help center in one SaaS. · 5 open-source alternatives

Self-hostable

Onfleet

Last-mile delivery management with dispatch, driver apps, and tracking. · 1 open-source alternative

Self-hostable

Grok

xAI assistant with real-time search, image generation, and chat. · 6 open-source alternatives

Mixed hosting

VS Code

Microsoft’s extensible code editor with IntelliSense, Git, and a huge extension marketplace. · 5 open-source alternatives

Self-host optional

JetBrains

Commercial IDE family (IntelliJ IDEA, WebStorm, PyCharm, and more) with deep language tooling. · 5 open-source alternatives

Self-host optional

GitHub Copilot

Microsoft’s AI pair programmer for completions, chat, and coding agents in the editor. · 5 open-source alternatives

Mixed hosting

Csper

Content Security Policy tooling for generating, evaluating, and monitoring CSP reports. · 5 open-source alternatives

Mixed hosting

1Password

Commercial password manager for individuals, families, and business teams. · 3 open-source alternatives

Self-hostable

LastPass

Commercial password manager and digital vault. · 3 open-source alternatives

Self-hostable

Bitwarden

Password manager with an open-source core and hosted plus self-host tiers. · 1 open-source alternative

Self-hostable

Algolia

Commercial search-as-a-service API for site search and discovery. · 2 open-source alternatives

Self-hostable

Elasticsearch

Distributed search and analytics engine with a managed cloud tier. · 1 open-source alternative

Self-hostable

AssemblyAI

Speech-to-text and audio intelligence API for transcription, diarization, and summaries. · 1 open-source alternative

Self-hostable

Slack

Commercial team messaging and collaboration platform. · 3 open-source alternatives

Self-hostable

Discord

Community chat platform with servers, channels, and voice used heavily by developer communities. · 1 open-source alternative

Self-hostable

Parsec

Low-latency commercial remote desktop and game streaming for teams and creators. · 2 open-source alternatives

Self-hostable

Pastebin

Hosted paste service for sharing text and code snippets. · 2 open-source alternatives

Self-hostable