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MPL-2.0 Licensed Open Source Software

A curated collection of the 17 best open source software licensed under MPL-2.0.

Penpot

Open-source UI design and prototyping for product teams

  • Stars

    62,382

  • Last commit

    10 hours ago

  • License

    MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.

Open Source Alternative to:

Canva

Zen Browser

Privacy-focused browser with powerful customization

  • Stars

    45,819

  • Last commit

    4 hours ago

  • License

    MPL-2.0
A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.

Open Source Alternative to:

Firefox

OpenTofu

Open source infrastructure as code tool

  • Stars

    30,872

  • Last commit

    2 days ago

  • License

    MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.

Open Source Alternative to:

Red Hat Ansible

Vector

Collect, transform, and route logs and metrics in one tool

  • Stars

    22,877

  • Last commit

    2 days ago

  • License

    MPL-2.0
Rust-built observability pipeline tool that collects, transforms, and routes logs and metrics across 47 sources and 62 sinks with no runtime dependencies.

Open Source Alternative to:

DataDog

Brave

Fast, private browser that puts you first

  • Stars

    24,221

  • Last commit

    2 days ago

  • License

    MPL-2.0
A secure web browser that blocks ads and trackers, protects privacy, and loads pages faster while saving data and battery life.

Open Source Alternative to:

Firefox

ActivityWatch

Track time automatically with privacy-first design

  • Stars

    19,635

  • Last commit

    5 hours ago

  • License

    MPL-2.0
Free open-source time tracker that automatically monitors your device usage. Cross-platform support with local data storage for complete privacy.

Open Source Alternative to:

RescueTime

Logto

Secure, seamless authentication for modern applications

  • Stars

    14,936

  • Last commit

    11 hours ago

  • License

    MPL-2.0
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

Open Source Alternative to:

Auth0

Encore

Accelerate backend development with effortless scalability

  • Stars

    12,716

  • Last commit

    3 days ago

  • License

    MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Open Source Alternative to:

Supabase

CloudQuery

Sync and transform data from any source to any destination

  • Stars

    6,558

  • Last commit

    2 days ago

  • License

    MPL-2.0
CloudQuery is an open-source ELT platform that enables easy data integration from hundreds of cloud and security tools to any destination.

Open Source Alternative to:

Snowflake

dstack

AI
GPU orchestration across clouds, Kubernetes, and on-prem

  • Stars

    2,310

  • Last commit

    2 days ago

  • License

    MPL-2.0
Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.

Open Source Alternative to:

Docker Swarm

Terrateam

GitOps orchestration for infrastructure as code

  • Stars

    1,328

  • Last commit

    5 hours ago

  • License

    MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.

Open Source Alternative to:

Spacelift

Shaper

SQL-driven analytics dashboards for product embedding

  • Stars

    1,278

  • Last commit

    19 hours ago

  • License

    MPL-2.0
Build interactive analytics dashboards with SQL and embed them directly into your product. Open-source platform with full data control and DuckDB flexibility.

Open Source Alternative to:

Power BI

Taiga

Agile project management for cross-functional teams

  • Stars

    857

  • Last commit

    12 days ago

  • License

    MPL-2.0
Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.

Open Source Alternative to:

Jira

Midori Browser

Fast, secure, and privacy-focused web browsing

  • Stars

    Stars growing over the last 30 days420

  • Last commit

    6 hours ago

  • License

    MPL-2.0
Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Firefox

Storyden

Build lasting communities with modern forum technology

  • Stars

    Stars growing over the last 30 days351

  • Last commit

    1 day ago

  • License

    MPL-2.0
Create permanent, discoverable communities with modern forum features. Combines discussion, curation, and wiki functionality in one platform.

Open Source Alternative to:

Skool

Friendly Captcha

Invisible bot protection that respects user privacy

  • Stars

    37

  • Last commit

    4 days ago

  • License

    MPL-2.0
Privacy-compliant CAPTCHA alternative using proof-of-work technology. Protects websites from bots and spam without user interaction or data tracking.

Open Source Alternative to:

reCAPTCHA

Koru

Local-first workspace that runs AI agents on your documents

  • Stars

    42

  • Last commit

    4 hours ago

  • License

    MPL-2.0
Write, organize, and run AI agents in a private workspace that stores everything locally, syncs peer-to-peer, and works offline on Windows, macOS, and Linux.

Open Source Alternative to:

Notion
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