Free Tier Developer Tools

Langfuse provides tracing, evaluations, prompt management, and metrics to debug and improve LLM applications.

All-in-one security solution that scans for vulnerabilities across code, cloud infrastructure, and runtime environments with AI-powered fixes and triage

Extract structured data from PDFs, images, and other documents using advanced AI and LLMs with this open-source intelligent document processing platform.

Formspree provides a simple form API that stores submissions, sends emails, handles spam and connects to 3rd party services like Airtable and Slack.

Logo.dev's API provides developers with an extensive, up-to-date resource for sourcing company logos and brand assets easily.

Collect form submissions, receive email notifications, block spam, and integrate with 3000+ apps - all without coding a backend.

Build engaging social features with Stream's powerful APIs for chat messaging, video calls, and activity feeds. Scale to millions of users effortlessly.

Powerful, flexible authentication library for TypeScript with support for multiple frameworks and authentication methods

Design, build, and analyze forms with Formizee's all-in-one solution, offering affordable pricing and developer-friendly features.

Add customizable video calls and livestreaming to your app with APIs for managing rooms, chat, whiteboards, and more.

v0 by Vercel enables developers to create user interfaces through simple text prompts, offering a chat-based interface for quick UI generation.

Create engaging, personalized product demos with AI to drive sales, adoption and onboarding. Trusted by 40,000+ businesses.

Plunk unifies marketing, transactional, and broadcast emails in a single, complete solution, offering affordability and open-source flexibility.

Seline offers intuitive, lightweight website analytics without collecting personal data. It's a privacy-friendly Google Analytics alternative.

Algolia provides AI search capabilities that understand user intent, delivering relevant results across web, mobile and voice platforms.

KloudMate offers application performance monitoring and observability for microservices, with dashboards, log analysis, request tracing, and error monitoring.

Stigg provides APIs and SDKs to quickly implement and modify any pricing model, enabling faster deployment of new monetization strategies for SaaS companies.

Zeabur simplifies deployment for any language or framework, offering one-click service deployment with automatic scaling and pay-as-you-go pricing.

Ory is an open source identity infrastructure and services platform that provides authentication, authorization, and user management capabilities.

Rollbar offers instant error alerts, AI-powered grouping, and comprehensive debugging tools to help software teams find and fix issues faster.

Product adoption platform for Next.js and React, helping software companies drive up-sells, cross-sells and renewals through onboarding and engagement tools.

Novu provides a unified API for sending notifications across multiple channels, with powerful workflows and integrations.

Free AI code completion, search, and chat tool supporting 70+ languages and integrating with popular IDEs, offering fast and high-quality suggestions.

Linear is a purpose-built platform for modern product teams, offering streamlined issue tracking, project management, and roadmapping capabilities.

SuperTokens offers fast, customizable user authentication with full control and cost-effective pricing for developers and businesses.

Flexible, scalable hosted APIs for building realtime features like live dashboards, notifications, and chat

Loops is an all-in-one email platform designed for SaaS businesses, offering easy creation, sending, and tracking of beautiful email campaigns.

Neon offers a serverless Postgres platform designed for fast, scalable, and cost-effective database management with instant provisioning and autoscaling.

Appsmith is an open-source low-code platform that enables developers to rapidly build and deploy custom internal tools and applications.

Typesense is an open source search engine optimized for fast, typo-tolerant search-as-you-type experiences and ease of use.

Axiom offers 100% data capture for observability, security, analytics, and insights, with no sampling required.

Fern automates SDK generation and documentation for APIs, supporting OpenAPI, Swagger, and AsyncAPI specifications.

Openpanel.dev offers powerful, user-friendly analytics with real-time insights, customizable dashboards, and GDPR compliance, all in an open-source package.

Spacelift streamlines infrastructure provisioning by orchestrating Terraform, OpenTofu, Ansible, and more, offering speed and control for DevOps teams.