OpenAltFinder

Apache-2.0 Licensed Open Source Software

Discover the best Apache-2.0 licensed open source software and alternatives. Explore top tools, compare features, and find the right solution for your project.

Kestra

Kestra

Event-driven workflow orchestration platform with a YAML-based pipeline DSL, 500+ plugins, and a built-in UI editor.

Alternative to:
ZapierZapier
S4Core

S4Core

High-performance Rust-based S3-compatible object storage with deduplication, SQL queries, and federation.

Alternative to:
MinIOMinIO
SeaweedFS

SeaweedFS

Distributed storage system with S3-compatible object storage, POSIX file system, and Iceberg table support for billions of files.

Alternative to:
MinIOMinIO
Etherpad

Etherpad

Open-source real-time collaborative text editor you can self-host.

Alternative to:
Google DocsGoogle Docs
CapRover

CapRover

CapRover is a scalable self-hosted PaaS with one-click apps, Docker Swarm clustering, automatic TLS, and a friendly web UI for deploying apps and databases in seconds.

Alternative to:
VercelVercel
Jitsi Meet

Jitsi Meet

Jitsi Meet is a free, secure, open-source video conferencing platform you can use in the browser or self-host. No account is required to join, share, or record any meeting at all.

Alternative to:
Google MeetGoogle Meet
CoMaps

CoMaps

A community-led fork of Organic Maps. Free offline maps for Android and iOS with no ads, no tracking, and no data collection.

Alternative to:
Google MapsGoogle Maps
Modo

Modo

Open-source AI IDE that plans before it codes, using spec-driven development with requirements, design, and task steps.

Alternative to:
CursorCursor
Dokploy

Dokploy

Open Source Alternative to Vercel, Netlify and Heroku.

Alternative to:
NetlifyNetlify
Keycloak

Keycloak

Open-source identity and access management with SSO, OAuth2, OIDC, and SAML support for modern applications.

Alternative to:
Auth0Auth0
Sim

Sim

Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.

Alternative to:
Lindy AILindy AI
OpenTracks

OpenTracks

A privacy-focused sport tracking application for Android that records GPS tracks and supports Bluetooth sensors without any internet access or ads.

Alternative to:
StravaStrava
Forms.md

Forms.md

Developer-first open source Typeform alternative (formerly Blocks.md) with Markdown-defined forms and native Google Sheets integration.

Alternative to:
TypeformTypeform
Meme Search

Meme Search

Self-hosted AI-powered meme search engine that uses vision-language models to auto-caption and semantically search your local meme library.

Alternative to:
ImgflipImgflip
PearPass

PearPass

Privacy-first, peer-to-peer password manager with end-to-end encryption and no central servers.

Alternative to:
1Password1Password
celld

celld

Open-source daemon that runs Cloudflare Workers and Durable Objects on your own machines, with state stored in an S3-compatible bucket.

Alternative to:
Cloudflare Durable ObjectsCloudflare Durable Objects
Hurl

Hurl

Run and test HTTP requests with plain text — a simple yet powerful command-line tool for API testing.

Alternative to:
PostmanPostman
Kuvasz

Kuvasz

Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.

Alternative to:
UptimeRobotUptimeRobot
withoutBG

withoutBG

Open-source Python SDK for background removal. Run ONNX weights locally for free, or switch to the paid Cloud API with one line of code.

Alternative to:
remove.bgremove.bg
AI-assisted
PikoCI

PikoCI

PikoCI is a single-binary CI/CD that grows with you. Use any database, any queue, and run anywhere — pipelines as code with built-in caching, scaling, and clean observability.

Alternative to:
GitHub ActionsGitHub Actions
Supabase

Supabase

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Alternative to:
FirebaseFirebase
Trigger.dev

Trigger.dev

Open-source platform for building and deploying reliable background jobs, scheduled tasks, and AI workflows in TypeScript.

Alternative to:
ZapierZapier
Zulip

Zulip

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

Alternative to:
SlackSlack
Woodpecker CI

Woodpecker CI

A simple, yet powerful CI/CD engine with great extensibility. Self-hosted with minimal resource requirements.

Alternative to:
GitHub ActionsGitHub Actions
Grist

Grist

Open-source spreadsheet-database hybrid with flexible relational data modeling.

Alternative to:
Google SheetsGoogle Sheets