Top Open Source Projects using TypeScript

A curated collection of the 546 best open source software using TypeScript. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Timeplus

Single binary SQL engine for stream processing and real-time analytics, offered to data teams as an alternative to Flink and ksqlDB.

Alternative to:

Azure Data Explorer

Real-time stream processing made simple and affordable

Stars
2,252
Forks
109
Last commit
9 days ago

c15t

c15t is a developer-first consent management platform for JavaScript, React, and Next.js teams who want cookie banners inside their own stack.

Alternative to:

Cookiebot

Build privacy-compliant cookie banners with full control

Stars
1,876

Sendune

Sendune Email Designer is a drag and drop HTML email builder for teams who want templates that work with any sending provider.

Alternative to:

Beefree

Simplify AWS SES email management with ease

Stars
2,307

Maple

Maple is an OpenTelemetry observability platform for traces, logs, and metrics, aimed at teams that want to run their own telemetry stack.

Alternative to:

Datadog

OpenTelemetry observability with traces, logs, and metrics

Sequin

Change data capture for Postgres, streaming rows into queues, streams, and search indexes from a container beside your database.

Alternative to:

Fivetran

Open-source message stream built on Postgres

Stars
2,196

ownCloud

ownCloud Infinite Scale is a file sync and share platform that scales from a Raspberry Pi to Kubernetes on a single Go binary.

Alternative to:

Dropbox

Enterprise file sync, share, and collaboration platform

Stars
2,113

Languine

Languine is a self-hosted AI localization service you deploy to your own Vercel account and drive from a CLI or GitHub Action.

Alternative to:

Crowdin

Automated localization for modern development teams

Stars
2,033

ClassroomIO

Run compliance training, customer education, and partner certification cohorts from one open source learning management system, self-hosted or hosted.

Alternative to:

Kajabi

Build your custom learning academy in minutes

Stars
1,678

mCaptcha

mCaptcha is a proof of work CAPTCHA that rate limits abusers by making requests computationally expensive, with no image puzzles for visitors.

Alternative to:

Cloudflare Turnstile

Privacy-first proof-of-work CAPTCHA without user friction

Stars

Sync-in

Self-hosted file storage, synchronization, and team collaboration that leaves your files readable on the filesystem instead of inside object storage.

Alternative to:

Dropbox

Open-source file storage with complete data sovereignty

Stars
1,758

Atomic CRM

A React and Supabase CRM you fork rather than configure, with custom fields, themes, and components you can replace outright.

Alternative to:

HubSpot

Open-source CRM toolkit for personalized solutions

Stars
1,228

Kanri

Kanri is an offline desktop Kanban board for Windows, macOS, and Linux that stores boards in a single JSON file.

Alternative to:

Trello

Simplify your workflow with offline Kanban boards

Stars
2,018

Azimutt

A database exploration tool for designing, browsing, documenting, and analyzing schemas that have grown too large for a conventional ERD.

Alternative to:

Lucidchart

Next-Gen ERD: Design, Explore, Document and Analyze your database.

Stars

LLM Gateway

An API gateway that routes requests to multiple LLM providers through one OpenAI-compatible endpoint while tracking tokens, costs, and response times.

Alternative to:

Cloudflare AI Gateway

Unified API for all LLM providers with analytics

Stars

Vrite

A collaborative content platform for technical teams writing product documentation, developer blogs, and knowledge bases, with an API for delivering to any frontend.

Alternative to:

Contentful

Collaborative content creation for technical teams

Stars

Minutes

A local conversation memory app that records and transcribes meetings on your device, then exposes them to MCP clients as Markdown files you own.

Alternative to:

Granola

Local meeting recorder that keeps your audio off the cloud

FeatBit

A feature flag management service you host yourself, letting developers release features progressively behind simple conditionals instead of redeploying code.

Alternative to:

LaunchDarkly

Open-source feature flag management for seamless deployments

Stars

Voiden

An offline, Git-native API workspace where requests, tests, and documentation live together in plain-text files you version like code.

Alternative to:

Postman

Build APIs like code with Git-native workspace

Stars
1,673

Mezon

A real-time communication platform for gaming, work, and community spaces, with native clients and a C server stack built for low latency.

Alternative to:

Slack

Create custom spaces to chat, game, and connect globally

Stars
1,695

Authgear

A turnkey authentication server for consumer apps, covering passwordless login, passkeys, multifactor authentication, and enterprise SSO through SDKs and a portal.

Alternative to:

Auth0

Managed identity and access management for any app

Stars
2,031

Semaphore

A CI/CD platform you install on your own machine or Kubernetes cluster, with YAML pipelines, parallel execution, and open governance.

Alternative to:

CircleCI

Open source CI/CD platform that's faster and costs less

Stars
1,597

Nightingale

Karaoke software that separates vocals and times lyrics for any track in your own music library or media server.

Alternative to:

KaraFun

Turn any song in your library into karaoke

Amical

A local-first dictation app that transcribes speech with Whisper on your own machine and formats the result for whichever app you are using.

Alternative to:

Aqua Voice

Type 10x faster with AI-powered voice dictation

Stars
1,523

XWiki

A Java wiki platform that doubles as an application runtime, letting teams build structured collaborative applications on top of their own documentation.

Alternative to:

Notion

Open-source knowledge management and collaboration platform

Stars
1,305

Aptabase

A privacy-first analytics service for mobile, desktop, and web apps that measures sessions without unique identifiers, across a dozen SDKs.

Alternative to:

Google Analytics

Privacy-first analytics for mobile and desktop apps

Stars

Zola

Open-source chat front end for OpenAI, Claude, Gemini, Mistral and local Ollama models, built for developers who self-host.

Alternative to:

ChatGPT

AI chat companion with versatile model support

Stars
1,531

Jean

Native desktop app for running Claude, Codex, Cursor and other coding CLIs across multiple projects, git worktrees and chat sessions.

Alternative to:

Omnara

Parallel AI agent workspaces with Git and project context

Probo

Self-hostable GRC platform covering risk, controls, vendor risk, data privacy and audits, aimed at engineering and security teams.

Alternative to:

Drata

Managed compliance for SOC 2, ISO 27001, HIPAA, and more

Stars
1,346

Splitpro

Self-hosted expense sharing for friends and groups, built as a replacement for Splitwise without a paywall on core features.

Alternative to:

Splitwise

Effortlessly split expenses with friends and groups

Stars
1,426

Nitric

Multi-language framework that infers cloud infrastructure from application code and deploys the same app to AWS, GCP or Azure.

Alternative to:

AWS Amplify

Cloud-native framework for infrastructure from code

Stars
2,016

Conar

AI-assisted desktop database client for PostgreSQL, MySQL, MSSQL and ClickHouse, with encrypted connection storage and help writing queries.

Alternative to:

DataGrip

AI-powered PostgreSQL management made simple

Stars
1,436

Litlyx

Cookie-free web analytics installed with a single script tag, self-hosted with Docker or run on the project's hosted cloud.

Alternative to:

Google Analytics

Cookie-less analytics for privacy-focused insights

Stars
1,740

Kodus

AI code review that runs inside your pull requests, follows rules you write in plain language and uses your own model keys.

Alternative to:

CodeRabbit

AI code review that learns your team's standards

Stars
1,359

Trench

Self-hosted event tracking on Kafka and ClickHouse, compatible with the Segment API, for teams handling real-time analytics at volume.

Alternative to:

Mixpanel

Fast, scalable analytics infrastructure

Stars
1,662

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Top Open Source Projects using TypeScript

A curated collection of the 546 best open source software using TypeScript. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Timeplus

c15t

Sendune

Maple

Sequin

ownCloud

Languine

ClassroomIO

mCaptcha

Sync-in

Atomic CRM

Kanri

Azimutt

LLM Gateway

Vrite

Minutes

FeatBit

Voiden

Mezon

Authgear

Semaphore

Nightingale

Amical

XWiki

Aptabase

Zola

Jean

Probo

Splitpro

Nitric

Conar

Litlyx

Kodus

Trench

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