Submit
Ad
 
Learn More

Open Source Projects using NestJS

A curated collection of the 29 best open source software using NestJS. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of Novu

Novu

Multi-channel notification infrastructure for apps

  • Stars

    39,756

  • Last commit

    10 hours ago

  • License

    Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

Open Source Alternative to:

Favicon of Customer.io
Customer.io
Favicon of Postiz

Postiz

Schedule, analyze, and manage 30+ social media accounts

  • Stars

    35,457

  • Last commit

    16 hours ago

  • License

    AGPL-3.0
Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.

Open Source Alternative to:

Favicon of Buffer
Buffer
Favicon of Immich

Immich

Self-hosted photo and video backup for your own server

  • Stars

    113,419

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.

Open Source Alternative to:

Favicon of Google Photos
Google Photos
Favicon of Hoppscotch

Hoppscotch

Sleek, intuitive API development and testing platform

  • Stars

    80,202

  • Last commit

    4 days ago

  • License

    MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Twenty

Twenty

Build a custom CRM without the proprietary lock-in

  • Stars

    56,247

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of NocoDB

NocoDB

Transform databases into intuitive spreadsheets instantly

  • Stars

    64,831

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Cal.com

Cal.com

Self-host your own scheduling page, no vendor required

  • Stars

    48,146

  • Last commit

    15 hours 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:

Favicon of Calendly
Calendly
Favicon of ToolJet

ToolJet

Build internal tools rapidly without coding

  • Stars

    40,844

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of FastGPT

FastGPT

AI
Build powerful AI knowledge bases with ease

  • Stars

    29,572

  • Last commit

    15 hours ago

  • License

    Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.

Open Source Alternative to:

Favicon of Zendesk
Zendesk
Favicon of Docmost

Docmost

Self-hosted wiki with AI, compliance, and real-time editing

  • Stars

    21,585

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of Teable

Teable

Flexible database meets intuitive spreadsheet interface

  • Stars

    21,753

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Scalar

Scalar

Open-source API documentation and testing platform

  • Stars

    16,060

  • Last commit

    5 hours ago

  • License

    MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of AITable

AITable

Visual database for workflow automation across apps

  • Stars

    15,585

  • Last commit

    10 months ago

  • License

    AGPL-3.0
AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of HeyForm

HeyForm

Create powerful forms with ease and flexibility

  • Stars

    8,964

  • Last commit

    5 days ago

  • License

    AGPL-3.0
A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of Ever Gauzy

Ever Gauzy

Comprehensive open-source business management platform

  • Stars

    4,368

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Bigcapital

Bigcapital

Automate financial processes for smarter business decisions

  • Stars

    3,883

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.

Open Source Alternative to:

Favicon of Quickbooks
Quickbooks
Favicon of Usertour

Usertour

Create engaging product tours and user onboarding experiences

  • Stars

    2,292

  • Last commit

    16 hours ago

  • License

    AGPL-3.0
Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding

Open Source Alternative to:

Favicon of Userflow
Userflow
Favicon of Ballerine

Ballerine

AI agents that transform merchant risk decisions at scale

  • Stars

    2,427

  • Last commit

    2 days ago

  • License

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

Open Source Alternative to:

Favicon of SumSub
SumSub
Favicon of Quiet

Quiet

Serverless team chat over Tor, no phone number needed

  • Stars

    2,644

  • Last commit

    1 day ago

  • License

    GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Firecamp

Firecamp

Unified API development ecosystem for modern teams

  • Stars

    2,610

  • Last commit

    6 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 Sync-in

Sync-in

Open-source file storage with complete data sovereignty

  • Stars

    1,749

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Dyrector

Dyrector

Simplify container deployment across environments

  • Stars

    1,845

  • Last commit

    3 days ago

  • License

    Apache-2.0
Effortless container orchestration platform for seamless deployment, management, and monitoring of applications across multiple environments.

Open Source Alternative to:

Favicon of Docker Desktop
Docker Desktop
Favicon of Kodus

Kodus

AI
AI code review that learns your team's standards

  • Stars

    1,351

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Open source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.

Open Source Alternative to:

Favicon of CodeRabbit
CodeRabbit
Favicon of Hexabot

Hexabot

AI
Self-hosted AI agents and workflows across any channel

  • Stars

    1,208

  • Last commit

    12 days ago

  • License

    AGPL-3.0
Build and run AI agents, agentic workflows, and multichannel automation on your own infrastructure, with memory, RAG, MCP tools, and full data control.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of Trench

Trench

Fast, scalable analytics infrastructure

  • Stars

    1,662

  • Last commit

    5 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:

Favicon of Amplitude
Amplitude
Favicon of Swetrix

Swetrix

Cookieless, privacy-first web analytics without the complexity

  • Stars

    1,188

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Temps

Temps

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

  • Stars

    712

  • Last commit

    7 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 Keyshade

Keyshade

Secure secret management with public key encryption

  • Stars

    767

  • Last commit

    5 months ago

  • License

    MPL-2.0
Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.

Open Source Alternative to:

Favicon of Keeper
Keeper
Favicon of Impler

Impler

Seamless data import for your applications

  • Stars

    290

  • Last commit

    4 days ago

  • License

    MIT
Open-source solution for effortless data importing, mapping, and validation in web applications
Ad
Favicon

 

  
 
Ad
Favicon

 

  
 
Ad
Favicon