Open Source Alternatives to Popular Software

Probo

MIT

Compliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection.

Ballerine

Unknown

Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.

Comp AI

AGPL-3.0

AI-driven compliance platform that automates evidence collection, policy generation, and continuous monitoring across 580+ integrations for SOC 2, ISO 27001, HIPAA, and GDPR.

OpenPolicy

Apache-2.0

Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Titan

Apache-2.0

Streamline role-based access control, enforce security policies, and ensure compliance for your Snowflake data warehouse

VerifyWise

AGPL-3.0

Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.

Mike

AGPL-3.0

Self-hostable alternative to Harvey and Legora with document analysis, contract drafting, tabular review, and reusable workflows. Zero licensing costs, full data control.

Bluesky

MIT

A decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.

Hey

GPL-3.0

A blockchain-powered social platform offering censorship-resistant content sharing, user-owned data, and innovative monetization options.

Lemmy

AGPL-3.0

Open-source forum and link aggregator that connects communities across the fediverse. Self-hosted, ad-free, with powerful moderation tools and federation.

Loops

AGPL-3.0

Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership.

Mastodon

AGPL-3.0

A free, open-source social media platform that puts users in charge of their data and connections

PeerTube

AGPL-3.0

Create your own video hosting platform with PeerTube - a free, open-source alternative to YouTube. Join 600,000+ videos across 1,000+ interconnected platforms without ads or tracking.

Pixelfed

AGPL-3.0

Decentralized photo sharing platform with chronological feeds, privacy controls, and ActivityPub federation. No ads, no algorithms, just authentic connections.

Apache Answer

Apache-2.0

A versatile, community-driven Q&A platform that fosters collaboration and knowledge exchange within organizations and communities.

Discourse

GPL-2.0

A powerful, customizable platform for building and managing online forums, fostering engaging discussions and collaborative spaces.

Flarum

MIT

Lightweight, extensible forum platform with a sleek interface, powerful moderation tools, and seamless integration capabilities.

LearnHouse

AGPL-3.0

Open-source LMS for building and selling courses with a block-based editor, built-in payments, AI tools, analytics, and white-labeling. Self-host or use the cloud.

Storyden

MPL-2.0

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

Builder

MIT

Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.

Craft CMS

Unknown

Build custom websites with a user-friendly CMS that puts content first. Features flexible architecture, GraphQL API, and powerful ecommerce capabilities.

Directus

Unknown

A versatile headless CMS and API engine that simplifies data management, content creation, and application development.

Drupal

Unknown

A flexible and extensible content management system for creating dynamic websites and digital experiences

Ghost

MIT

Publish content, send email newsletters, and sell paid subscriptions from one platform. Used by independent journalists, creators, and businesses like YCombinator and Kickstarter.