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Open Source Projects using Mintlify

A curated collection of the 26 best open source software using Mintlify. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Open-source AI coding agent for your editor and terminal
  • Stars

    71,331
  • Last commit

    6 hours ago
  • License

    Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.

Open Source Alternative to:

Persistent memory layer for AI agents and apps
  • Stars

    68,442
  • Last commit

    1 day ago
  • License

    Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.

Open Source Alternative to:

Self-host your own scheduling page, no vendor required
  • Stars

    49,700
  • Last commit

    2 days ago
  • License

    MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Open-source coding agent for your IDE and terminal
  • Stars

    36,408
  • Last commit

    8 hours ago
  • License

    Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.

Open Source Alternative to:

Secure secret management for modern development teams
  • Stars

    30,278
  • Last commit

    5 hours ago
  • License

    MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Open Source Alternative to:

Create, customize, and manage your website with ease
  • Stars

    21,518
  • Last commit

    10 hours ago
  • License

    Unknown
A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.

Open Source Alternative to:

Privacy-first survey and experience management platform
  • Stars

    13,217
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Streamline your business finances and operations
  • Stars

    15,114
  • Last commit

    5 months ago
  • License

    AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Open Source Alternative to:

Unify, automate, and elevate your monitoring workflow
  • Stars

    12,494
  • Last commit

    1 day ago
  • License

    MIT
Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Create powerful chatbots without coding
  • Stars

    10,605
  • Last commit

    10 days ago
  • License

    Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Build product integrations with 500+ APIs in hours
  • Stars

    Stars growing over the last 30 days13,123
  • Last commit

    5 hours ago
  • License

    Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Modern payment infrastructure for digital products and SaaS
  • Stars

    10,464
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Serverless backend platform for modern app development
  • Stars

    9,376
  • Last commit

    9 hours ago
  • License

    MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Open source kanban boards with unlimited everything
  • Stars

    5,879
  • Last commit

    21 hours ago
  • License

    AGPL-3.0
Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.

Open Source Alternative to:

Secure, scalable API key management for developers
  • Stars

    5,483
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Open Source Alternative to:

Build scalable authorization in minutes, not months
  • Stars

    5,967
  • Last commit

    8 hours ago
  • License

    AGPL-3.0
Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.

Open Source Alternative to:

Pay per email sent, not for contact storage
  • Stars

    4,784
  • Last commit

    5 days ago
  • License

    AGPL-3.0
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.

Open Source Alternative to:

Simulation-based testing and evaluation for AI agents
  • Stars

    5,014
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.

Open Source Alternative to:

Full observability for AI agents in production
  • Stars

    4,744
  • Last commit

    1 day ago
  • License

    MIT
Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.

Open Source Alternative to:

Terraform automation with pull request workflows
  • Stars

    5,063
  • Last commit

    6 days ago
  • License

    MIT
Open-source CI/CD orchestrator for Terraform with pull request automation, drift detection, and enterprise-grade security. Self-hostable with private runners.

Open Source Alternative to:

Effortless group scheduling for seamless collaboration
  • Stars

    5,338
  • Last commit

    7 hours ago
  • License

    AGPL-3.0
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.

Open Source Alternative to:

Stripe payments, usage tracking, and paywalls in 3 functions
  • Stars

    2,832
  • Last commit

    14 days ago
  • License

    Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.

Open Source Alternative to:

Data observability for modern data teams
  • Stars

    2,429
  • Last commit

    23 hours ago
  • License

    Apache-2.0
Elementary provides dbt-native data observability to detect issues, understand root causes, and resolve problems quickly in data pipelines.

Open Source Alternative to:

Fast, scalable analytics infrastructure
  • Stars

    1,666
  • Last commit

    7 months ago
  • License

    MIT
Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.

Open Source Alternative to:

Track and improve your brand's visibility in AI search
  • Stars

    Stars growing quickly over the last 30 days230
  • Last commit

    5 hours ago
  • License

    MIT
Monitors how your brand appears across ChatGPT, Perplexity, Google AI Overviews, and other AI platforms, then turns those insights into prioritized content and optimization actions.

Open Source Alternative to:

Create and manage forms with ease
  • Stars

    185
  • Last commit

    1 year ago
  • License

    Apache-2.0
Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution

Open Source Alternative to: