Open-source terminal AI assistant.

Amazon’s AI assistant.

Open-source VS Code plugin for Claude as a coding assistant.

Frontend component AI assistant for VS Code.

Browser extension for AI generation in Jupyter/BigQuery etc.

Sourcegraph’s coding assistant.

AI coding assistant for VS Code and JetBrains.

A VS Code fork built from the ground up with AI.

Build Software with AI Agents.

The “OG” AI IDE everyone heard about. Still kind of feels behind, but does integrate nicely with GitHub.

Visual Studio’s AI offering from Microsoft.

JetBrains’s AI offering integrated into most of their IDEs.

Fast, open-source AI coding agent for VS Code and JetBrains.

Build AI agents with a modern TypeScript stack.

an open-source Devin alternative.

Focusing on confident code generation (focused on testing well).

Replit’s code IDE using AI (has also a free limited plan).

Heard really good things, especially around speed and context length.

Self-hosted open-source coding assistant.

One of the OG players in the AI code assistant space.

Fully integrated AI in your terminal.

Subscription analytics for Stripe.

Contributions analytics with AI Insights, Performance Review, Retrospectives and Gamifications.

Product analytics API for web and mobile, captures all events.

Product analytics and dashboards.

Privacy-friendly web analytics with a backend integration and API.

Simple, privacy-friendly, and open-source web analytics tool.

Privacy-first, regulation-compliant, fast analytics tool.

Open-source product analytics platform.

Collect user data and send it to your other tools.

Real-time data streams to APIs.

Unified, simplified, and actionable product analytics.

Cloud-native authorization for applications and APIs.

Authentication & authorization as a service.

AWS's authentication as a service.

Open-source API for enterprise SSO and Directory Sync.

Authentication and user management platform for React, React Native, and Next.js.

Passkey-first authentication as a service.

Google Firebase's take on authentication.

Security-centric authentication as a Service, including self-hosting.

Passwordless (WebAuthn API) PSD2, eIDAS, and GDPR compliant.

Authentification and user management as a service.

Managed user authentication service with SSO.

Complete CIAM solution with Enterprise SSO and extensive out-of-the-box enterprise features.

Embeddable authentication with SSO.

Open-source identity & access-control solutions (also available as a service).

Authorization framework (RBAC).

Permissions and access-control as a service.

Team-based authentication.

Add enterprise SSO (SAML, OIDC), SCIM provisioning to your existing auth setup like Firebase, Auth0, or Cognito…

Enterprise SSO without rebuilding auth. The free plan includes unlimited monthly active users, unlimited…

Open-source Auth0 alternative.

All-in-one authentication, authorization, and fraud prevention infrastructure.

Open-source and hosted email & Oauth authentication with prebuilt UI.

Authentication, rate limiting and usage analytics for APIs.

Simplistic user authentication with pre-built back-office dashboard.

Enterprise SSO and more out-of-the-box enterprise features.

Python-based workflow engine for custom business processes.

Create and deploy automation scripts in JavaScript or Python and deploy them to the cloud instantly, with free…

Free and source-available fair-code licensed workflow automation tool.

Open source AI agents for your codebase in minutes. Use pre-built agents for Q&A, testing, debugging, and system…

Open-source platform to create workflows from APIs, on a schedule or on demand.

End-to-end backend server for frontend and mobile developers.

Open-source TypeScript backend framework for robust type-safe applications.

Backends for real-time apps.

Open-source backend with a Postgres database, instant GraphQL API, authentication, storage, and serverless functions.

Hosted and open-source managed Postgres DB like Firebase.

YML to configure your builds, parallel jobs, jobs marketplace.

Drop-in replacement to build Docker images faster in CI.

Open-source CI and hosted solution with Github-like abilities.

Automated cloud dev environments.

Cloud runners for GitHub Actions and GitLab CI.

CI/CD platform for infrastructure-as-code, currently supporting Terraform, Pulumi, AWS CloudFormation, and Kubernetes.

CMS as an API.

API-based CMS.

Blog platform, can be used as headless CMS (ex. with Hexo).

Headless CMS, treat content as data.

Open-source headless CMS, 100% JavaScript.

Automatic code quality checks.

AI-powered code review and automated pull request management.

Zero-config AI browser (E2E) tests that review every commit & pull request (PR).

AI code reviews and bug fixes.

Open-source code review agent.

Lint and code quality checks.

Set of computer vision APIs.

Digital media brand recognition.

Google's AI vision APIs.

Simplified computer vision model creation for developers.

Database and spreadsheet hybrid with an API.

API-oritented Airtable alternative.

Distributed open-source SQL database for real-time analytics.

Serverless Postgres database with scale-to-zero, branching, autoscaling.

Abstract ORM with a universal schema language for any database.

AI-powered database UI.

Hosted managed MySQL database, CI integration & auto scaling.

Serverless tailored redis provider.

Debug production servers using a plugin in the IDE (on-prem or SaaS) that supports Java, Node.js, and Python.

Issue tracking built for developers.

Debugging agent that runs locally next to your favorite coding agents (open source or SaaS), feeding them full-stack,…

Debug production servers via a cloud-based debugger. Supporting Java, .Net, Node.js, Python, and Ruby.

Deploy apps and DBs via common templates.

Serverless cloud infrastructure.

DevOps platform for building platforms. Handles container orchestration, load-balancing, monitoring, and more.

Deploy and don't care about infrastructure, works with all major frameworks.

Deploy dockerized full-stack apps via a location-aware service (latency reduction).

Deploy via CLI to scalable servers.

Deploy static sites, apps, and databases from GitHub, GitLab, or Bitbucket and host headless WordPress.

Serverless platform for deploying full-stack apps and APIs in minutes.

Deploy JAMStack (mainly Gatsby) via CLI.

Continuously deploy full-stack apps.

Serverless ClickHouse platform.

Git connected app hosting platform.

One tool to build and run event streaming applications.

Out-of-the-box git to deployment with auto-scaling, DBs, secrets, and rollbacks.

Python framework to build and deploy web apps (including frontend).

Deploy from git to a CDN with SSL.

Cloud platform for building and deploying serverless web applications, static websites, and Jamstack (mainly Next.js)…

One click deployment for frontend, backend and databases services.

Ratings, reviews as a service.

Privacy-centric embeddable comment system.

Reviews ratings and Q&A as a service.

All-in-one API documentation tool, 1-click to generate API documentation from requests.

API documentation and change management solution.

Collaborative developer documentation platform.

Instant docs and SDKs for APIs.

NextJS-based, AI-powered platform for documentation sites.

Personalized and dynamic developer docs.

API tooling for SDKs, API docs, Terraform providers, and end-to-end testing.

Docs that are coupled with your code, auto-synced, works with your IDE.

Environment variable management across projects, in one place.

Environment management with syncing mechanism for all apps.

API Keys for Postgres RLS.

Encryption APIs with secret management.

API-driven secret key management.

Purpose-built feature flagging for B2B SaaS products.

Powerful, privacy-first feature flag management with unlimited team size and a forever free plan.

Feature flags-as-a-service platform simplified.

Open-source feature flag and experimentation platform.

Type-safe feature flags, optimized for React and Next.js.

Feature flags-as-a-service platform.

Feature flags platform with data analytics.

All-in-one platform spanning across analytics, feature flagging, and A/B testing. Free for up to 1m metered events per…

Open-source, privacy-first, and enterprise-ready feature management solution.

SDK for creating Gen UI applications.

Automatically optimizes your website’s copy, images, and UI with AI.

A shadcn boilerplate with backed in Gen UI AI components.

Prototype product ideas with AI.

Code-first Figma alternative.

Generate UI from a prompt, all of the UI is streamed and runs as client side components.

API for Apple AirTags tracking.

Maps and locations products for devs.

Forward and reverse geocoding API based on open data.

Locations search API.

Geofencing and geo APIs.

US Reverse Geocoding and Address Verification APIs.

An AI coding & testing agent.

AI assistant in your IDE (Python or JS).

AI-powered cloud-based IDE.

A versatile, AI-powered Online IDE supporting over 70+ programming languages, designed for developers to write,…

Developer-first IaC with Python, TypeScript, Go and more languages...

DSL, open-source, and free (paid solution adds team management, policy-as-code...).

GitOps-first open-source Infrastructure as Code automation for Terraform, OpenTofu, Terragrunt, CDKTF, and Pulumi.

Integration marketplace builder, one-API with 3rd parties for quick development.

Connect AI agents to 600+ integrations with a single interface. OAuth, scaling, and monitoring included.

Hundreds of pre-built product integrations with 250+ APIs, customizable in code.

Easy, flexible API to add customer-facing integrations to your SaaS product.

Open-source unified API to build B2B product integrations.

Interface with third-party services using SQL.

Developer-first, native integration platform for GTM tools.

Build and run serverless functions with the best development experience.

AI localization infrastructure.

App translation built for developers.

The translation management system created by the creators of i18next. Work with writers in dev/stage env before…

Developer & translator friendly web-based localization platform.

Verify and find email APIs.

Receive form submissions by email.

Email verification API.

Email lead and validation APIs.

End-to-end email testing tool.

Email and address verification.

REST API to manage contact properties, send events and transactional emails.

Send, track, and receive emails.

Email delivery platform for developers to test emails in a sandbox and send transactional and bulk emails via API and…

Email API to build, test, and deliver transactional emails.

Email API.

Unlimited e-mail inboxes with API/UI access for automation and QA.

APIs to generate images and PDFs from reusable templates.

File storage and processing APIs.

Optimize, create, manage, and deliver images and videos.

Build powerful live experiences in your product with an all-in-one Video SDK.

Programmatically import data from files so it's API-ready.

Automate image optimization, transformation, and delivery.

Transforms, optimizes, and cache images.

APIs to upload, manage, and stream video.

A fully configurable JavaScript image editor SDK.

Pub/sub, real-time messaging, notifications, chat, multiplayer and data synchronization.

Chat SDKs, real-time messaging.

Notifications as a service.

Real-time notification system with API & UI components.

Open-source notification (Email, SMS, Direct, and Push) management.

Messaging APIs for email, SMS, voice, and WhatsApp with managed A2P 10DLC.

Feed and chat as a service.

SMS, push notifications, and VoIP APIs.

Video, SMS, chat, and voice APIs.

Developer-first factory building.

Personalized developer news feed aggregating from 1000+ tech sources with community discussion.

APIs for eSignature, and Intelligent Agreement Management.

API-first customer support for indie hackers and small SaaS teams.

SDK for shipping an in-product AI assistant that learns your app and takes actions on the user's behalf (open modals,…

SDK to build internal tools and scripts for your product.

Generate public URLs for internal servers (behind NAT/firewall).

APIs for productivity workflows (email, calendar, contacts...) - like plaid for productivity.

API-first customer service platform (support, feedback, rating widgets...).

Unified API to integrate with property management systems.

API-first electronic signatures.

APIs for gamified product experiences.

Error monitoring in production.

Kubernetes monitoring and performance testing — available on CLI, self-hosted, and cloud.

Uptime monitoring, incident management, and status pages.

Open-source self-hostable end-to-end LLMOps platform unifying tracing, evals, simulations, datasets, gateway, and…

LLM observabilty and monitoring for your LLM apps in production.

Full-stack monitoring platform.

Uptime monitoring, incident response, and status pages.

Event streaming platform.

Open-source platform for tracing, evaluating, and labeling LLM products.

Open-source LLM observability platform that helps teams collaboratively debug, analyze, and iterate on their LLM…

Replay bugs users had.

OpenTelemetry-native observability for traces, logs, and metrics with dashboards, alerting, and an MCP server.

End-to-end evaluation and observability platform, helping teams ship their AI agents reliably and 5x faster.

Full-stack observability platform with APM, distributed tracing, logs and infra metrics in one place.

Uptime, performance, SSL certificate, broken link, and DNS monitoring.

Evaluate, test, and ship LLM applications across your dev and production lifecycles.

Manage Oncalls, Tickets, Incidents in Slack.

AI infrastructure for building accurate, secure, and scalable AI apps.

Open-source RAG framework to deploy and use AI agents.

Full-stack AI engineering platform to trace agent workflows in production, evaluate output quality with custom…

Reports errors in production.

Application monitoring for bugs and performance.

Voice/text chatbot framework by Google.

Visual workflow service to build distributed applications and automate processes.

Workflow engine that delivers scalable, on-demand process automation.

Paypal's take on API-first payments.

Bare-metal banking APIs.

SaaS payments - covers more countries and takes care of VAT Tax.

Open-source usage metering for billing and chargeback.

Revenue delivery platform for SaaS with broad geographical support (unlike Stripe at the moment).

Accept, send ACH (bank transfers), and get bank information.

API-first pricing plans.

Accept payments and move money globally with APIs.

Create your own package repository.

Binary artifact and release management for app, game, and embedded software.

Cloud-native private package management.

JSON into PDF, DOCX, XLSX, PPTX, ODS... API.

HTML to PDF API built specifically for Paged Media using the Prince PDF library.

PDF generator API with visual template editor.

Chart as Image API for reports, PDFs, and more.

HTML to PDF API usage-based pricing.

HTML/Url to PDF conversion API.

Turn websites to an API.

Browser automation deployed to the cloud.

CORS Proxy to fetch any web resource and bypass CORS errors.

Scrape hard-to-scrape websites with proxies.

Rotating residential and datacenter proxies with REST API access.

A self-managed proxy rotator.

Scrape with headless chrome.

Using headless browsers and proxies to scrape without being blocked.

Real-time Google SERP API.

Real-time search engine scraping API.

Webscraping API and fully managed service.

Web scraping API with built-in proxies and rotating IPs to avoid detection.

Open-source production-ready RAG platform with built-in agentic reasoning, hybrid search, and multimodal support.

Search as a service and full suite of search APIs.

AI Memory layer for agents. Knowledge graph + vector search for contextual retrieval and reasoning.

Open-source, fast, and relevant search engine.

Search as a service (crawlers and React ready).

Open-source and hosted search as a Service.

Open-source and hosted search with Solr.

Static application security testing (SAST) tool for JavaScript and Ruby stacks.

Real-time GitHub activity scanner.

Open-source, end-to-end encrypted secrets manager.

Automated vulnerability remediation. Fixes vulnerabilities and hardens code.

Vulnerability scanner for code, dependencies, containers, and infrastructure as code.

Detect and block open-source supply chain attacks.

Shipping APIs for e-commerce.

Automated visual testing.

No-code, cloud-based platform for mocking and debugging multi-protocol APIs (REST, SOAP, gRPC & GraphQL), providing…

Zero-code integration testing for Java/Kotlin that generates tests from runtime application behavior.

Performance testing.

Visual UI testing for storybook.

Continuous Performance Testing in CI environments.

Simulation and evals for AI agents.

Test and debug Hono APIs.

Generate tests from user behavior.

Auto-generated, run, and maintained Playwright UI tests with AI-assisted test case discovery.

Continuous visual testing.

Visual regression testing for React Native, with a Storybook integration.

Automated AI agent optimization.

Frontend testing.