Developer Tools

Email Verifier.io

EmailVerifier.io was created to solve a widespread problem faced by marketers and SaaS businesses—poor email deliverability caused by outdated and unverified email lists. During campaign execution, the founders observed that many email addresses were invalid, inactive, or risky, resulting in high bounce rates and a weakened sender reputation. This not only impacted campaign success but also led to wasted resources and budget.Recognizing this gap, EmailVerifier.io was built to provide a simple, accurate, and efficient way to verify and clean email lists before sending campaigns. The goal was to offer a user-friendly solution that businesses of all sizes could easily adopt without technical barriers.Over time, the platform evolved into a complete email verification solution with features like bulk list processing, real-time API integration, and advanced multi-layer validation checks. By focusing on reliability, speed, and ease of use, EmailVerifier.io gained the trust of marketers, startups, and agencies worldwide.Today, it continues to empower businesses to improve deliverability, reduce bounce rates, safeguard sender reputation, and achieve stronger results from their email marketing strategies.

Developer Tools

Tools1984

Tools1984 is a comprehensive online platform offering over 1,964 free digital tools for conversion, calculation, and analysis. It provides utilities for image compression, PDF editing, QR code generation, file conversion, and background removal, all accessible through a web interface.Dijital Dünyanın Araç Merkezi (The Tool Center of the Digital World)The platform features both free and premium tools, with a focus on ease of use and security. It supports multiple languages and is designed as a one-stop solution for various digital tasks.

Developer Tools

ClubDJ Pro

Real-time DJ mixing software with dual decks, waveforms, cue points, looping, and beat matching — built for DJs across iOS, macOS, and Windows.

Developer Tools

OpenUI

The Open Standard for Generative UIMake your AI apps respond with interactive UI components like cards, tables, forms and charts instead of text. Streaming-native, token-efficient, and works with any AI model (GPT,Claude,M2.5) and agent framework like ai-sdk, Google ADK

Developer Tools

InsForge

InsForge is the backend built for agentic development. We offer everything AI agents need to build fullstack apps that scale. Our open source backend (2.3K stars on GitHub) provides databases, auth, storage, model gateway and edge functions accessible through a semantic layer that agents can understand, reason about, and operate end to end. Say the word, and you can deploy to InsForge Cloud or your own domain.

Developer Tools

Fish Audio S2

We've open-sourced Fish Audio S2, a new generation of expressive TTS that lets you direct voices with natural language. Add cues like [whisper] or [laughing nervously], generate multi-speaker dialogue in one pass, and create scary-real voices across 80+ languages.

Developer Tools

Claude Code Review

Claude Code now dispatches a team of agents on every PR to catch bugs that skims miss. Available in research preview for Team and Enterprise. It is an AI-powered multi-agent code review that analyzes every pull request like an expert team. It detects bugs, security issues, and hidden logic flaws in AI-generated code, verifies findings to reduce false positives, and delivers high-signal feedback before code reaches production.

Developer Tools

Lernf

AI risk literacy platform. Hands-on tools that teach engineering teams how AI models actually behave — not just how to prompt them.

Developer Tools

Pulldog

Pulldog is a native macOS client for reviewing Github & Gitlab pull requests. Aggregate multiple accounts into one seamless inbox. Create smart queries to cut through PR noise. Review with Spotlight actions, Widgets, and on-device Apple Intelligence. No browser tabs — just focused, macOS-native code reviews. 🐶

Developer Tools

Claude Marketplace

Use your existing Anthropic commitment to pay for Claude-powered solutions from our customers. Now in limited preview.

Developer Tools

21st Agents SDK

21st Agents SDK is the fastest way to add an AI agent to your app. Define your agent in TypeScript, deploy in one command, and embed a production-ready chat UI with Built-in streaming, session management, usage billing, and observability — so you can focus on what makes your agent unique, not infrastructure. Backed by Y Combinator (W26).

Developer Tools

FasterGH

FasterGH is a fast GitHub mirror UI backed by Convex as a real-time cache/sync layer. GitHub is the source of truth; Convex is the low-latency read model.

Developer Tools