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Open Source Projects using Monaco Editor

A curated collection of the 83 best open source software using Monaco Editor. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of Bifrost

Bifrost

AI
Ultra-fast AI gateway with enterprise-grade reliability

  • Stars

    8,347

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to:

Favicon of OpenRouter
OpenRouter
Favicon of Hatchet

Hatchet

Distributed task queue for background jobs and workflows

  • Stars

    8,002

  • Last commit

    19 hours ago

  • License

    MIT
Durable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Mage

Mage

AI
Magical data pipeline tool for seamless transformations

  • Stars

    8,825

  • Last commit

    14 days ago

  • License

    Apache-2.0
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Favicon of Azure Data Factory
Azure Data Factory
Favicon of OneUptime

OneUptime

Comprehensive monitoring and incident management platform

  • Stars

    7,652

  • Last commit

    12 hours ago

  • License

    Apache-2.0
All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Hexclave

Hexclave

Modular auth, payments, emails, and analytics for your product

  • Stars

    6,862

  • Last commit

    2 days ago

  • License

    Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Plasmic

Plasmic

Visual app builder that integrates with your existing codebase

  • Stars

    7,041

  • Last commit

    24 hours ago

  • License

    MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of Webiny

Webiny

Open-source serverless CMS for modern web projects

  • Stars

    8,044

  • Last commit

    23 hours ago

  • License

    MIT
A powerful, scalable platform for building custom websites and apps with serverless architecture, offering flexibility and cost-efficiency.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Emdash

Emdash

AI
Dashboard for running multiple coding agents in parallel

  • Stars

    5,829

  • Last commit

    19 hours ago

  • License

    Apache-2.0
Desktop app that runs 25+ coding agents simultaneously, each isolated in its own Git worktree, so you can orchestrate code changes without switching tools.

Open Source Alternative to:

Favicon of Codex
Codex
Favicon of Tabularis

Tabularis

Desktop SQL client with built-in MCP for AI agent access

  • Stars

    5,055

  • Last commit

    1 day ago

  • License

    Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.

Open Source Alternative to:

Favicon of TablePlus
TablePlus
Favicon of Helicone

Helicone

AI
Build reliable AI apps with comprehensive observability

  • Stars

    6,175

  • Last commit

    9 days ago

  • License

    Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Lightdash

Lightdash

Open-source BI for modern data teams

  • Stars

    6,159

  • Last commit

    12 hours ago

  • License

    MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.

Open Source Alternative to:

Favicon of Power BI
Power BI
Favicon of Requestly

Requestly

Intercept, modify, and debug HTTP(S) requests effortlessly

  • Stars

    6,759

  • Last commit

    14 hours ago

  • License

    AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Plunk

Plunk

The open-source, affordable email platform

  • Stars

    5,484

  • Last commit

    5 days ago

  • License

    AGPL-3.0
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Permify

Permify

Build scalable authorization in minutes, not months

  • Stars

    5,956

  • Last commit

    3 days 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:

Favicon of Auth0
Auth0
Favicon of Inngest

Inngest

Effortless event-driven workflows for modern applications

  • Stars

    5,884

  • Last commit

    13 hours ago

  • License

    SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Favicon of Kafka
Kafka
Favicon of Agenta

Agenta

AI
Build, automate, and improve AI agents with your team

  • Stars

    4,778

  • Last commit

    13 hours ago

  • License

    MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Claude Cowork
Claude Cowork
Favicon of LangWatch

LangWatch

AI
Simulation-based testing and evaluation for AI agents

  • Stars

    4,872

  • Last commit

    18 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:

Favicon of LangSmith
LangSmith
Favicon of Jitsu

Jitsu

Open-source data integration for modern stacks

  • Stars

    5,090

  • Last commit

    1 day ago

  • License

    MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.

Open Source Alternative to:

Favicon of Segment
Segment
Favicon of Rowy

Rowy

Build powerful backends without leaving your browser

  • Stars

    6,844

  • Last commit

    2 years ago

  • License

    Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Dagu

Dagu

YAML-defined workflow orchestration, no database required

  • Stars

    4,075

  • Last commit

    14 hours ago

  • License

    GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.

Open Source Alternative to:

Favicon of Azure Data Factory
Azure Data Factory
Favicon of OpenLIT

OpenLIT

AI
Monitor, debug, and scale LLM applications with ease

  • Stars

    2,792

  • Last commit

    14 hours ago

  • License

    Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of Notifuse

Notifuse

Self-hosted email platform with visual editor & analytics

  • Stars

    2,219

  • Last commit

    8 days ago

  • License

    AGPL-3.0
Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Grida

Grida

Open canvas for designing and building web apps

  • Stars

    2,651

  • Last commit

    1 day ago

  • License

    Apache-2.0
Design and build web applications on an open canvas with AI-powered tools, Figma integration, pixel drawing, and a modular SDK built for extensibility.

Open Source Alternative to:

Favicon of Figma
Figma
Favicon of Firecamp

Firecamp

Unified API development ecosystem for modern teams

  • Stars

    2,613

  • Last commit

    7 months ago

  • License

    AGPL-3.0
All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Vrite

Vrite

Collaborative content creation for technical teams

  • Stars

    2,002

  • Last commit

    4 days ago

  • License

    AGPL-3.0
A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.

Open Source Alternative to:

Favicon of Mintlify
Mintlify
Favicon of FeatBit

FeatBit

Open-source feature flag management for seamless deployments

  • Stars

    1,907

  • Last commit

    1 day ago

  • License

    MIT
FeatBit is a fast, scalable feature flag service that enables risk mitigation and fosters business growth through controlled feature releases.

Open Source Alternative to:

Favicon of LaunchDarkly
LaunchDarkly
Favicon of Authgear

Authgear

Managed identity and access management for any app

  • Stars

    2,069

  • Last commit

    1 day ago

  • License

    Apache-2.0
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Conar

Conar

AI-powered PostgreSQL management made simple

  • Stars

    1,448

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.

Open Source Alternative to:

Favicon of TablePlus
TablePlus
Favicon of WunderGraph

WunderGraph

Unify APIs, databases, and services effortlessly

  • Stars

    1,268

  • Last commit

    12 hours ago

  • License

    Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Favicon of Apollo GraphQL
Apollo GraphQL
Favicon of Pearl

Pearl

AI
AI-powered automation that lives in your Slack workspace

  • Stars

    1,095

  • Last commit

    5 months ago

  • License

    Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Favicon of Viktor
Viktor
Favicon of Temps

Temps

One self-hosted binary replaces Vercel, Sentry, and analytics tools

  • Stars

    788

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Open Source Alternative to:

Favicon of Vercel
Vercel
Favicon of ByteChef

ByteChef

AI
Build AI agents and automate complex workflows seamlessly

  • Stars

    1,002

  • Last commit

    1 day ago

  • License

    Apache-2.0
Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex coding.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Hive

Hive

Open-source GraphQL federation platform

  • Stars

    484

  • Last commit

    12 hours ago

  • License

    MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Open Source Alternative to:

Favicon of Apollo GraphQL
Apollo GraphQL
Favicon of Gravitee

Gravitee

Unified API, event, and AI agent management platform

  • Stars

    455

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Convertigo

Convertigo

Low-code and no-code platform for business apps

  • Stars

    386

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Full-stack open source platform combining no-code and low-code studios to build, deploy, and integrate web, mobile, and desktop business applications.

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of Orbital

Orbital

Connect APIs, databases, and streams without glue code

  • Stars

    360

  • Last commit

    3 months ago

  • License

    Unknown
Automated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with Git-based workflows.

Open Source Alternative to:

Favicon of Kong
Kong
Favicon of Changes.Page

Changes.Page

Effortless changelog creation for open-source projects

  • Stars

    284

  • Last commit

    1 month ago

  • License

    AGPL-3.0
Automate and simplify changelog generation from Git commits, ensuring clear and consistent project documentation.

Open Source Alternative to:

Favicon of ProductBoard
ProductBoard
Favicon of Abby

Abby

Type-safe feature flags and remote config for developers

  • Stars

    166

  • Last commit

    1 year ago

  • License

    AGPL-3.0
Abby offers open-source, fully typed feature flagging and remote configuration for React and Next.js, with multi-environment testing and debugging tools.

Open Source Alternative to:

Favicon of LaunchDarkly
LaunchDarkly
Favicon of xyd

xyd

Transform documentation with developer-focused simplicity

  • Stars

    114

  • Last commit

    3 days ago

  • License

    MIT
Create powerful, interactive documentation with hot reloading, TypeScript support, custom components, and built-in API docs generation.

Open Source Alternative to:

Favicon of Mintlify
Mintlify
Favicon of Wraps

Wraps

Code-first email platform that deploys to your AWS

  • Stars

    61

  • Last commit

    16 hours ago

  • License

    AGPL-3.0
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Corpus

Corpus

Ask once, get answers across every document

  • Stars

    13

  • Last commit

    3 months ago

  • License

    AGPL-3.0
Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.

Open Source Alternative to:

Favicon of Hebbia
Hebbia
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