Development and Tools
264 free Development and Tools tools, ranked by recommendation. How to use each free and whether signup is needed is on its detail page; always follow the official site.
Free only · 264 tools
WorkClaw
A collaborative, proactive, and customizable AI colleague for real - world work, with the security and management controls required by enterprises.
DiagramPreview
Online preview and conversion of various charts such as Mermaid and PlantUML, as well as developer charts
Limestone Digital
AI Velocity Pods can increase the speed of engineering teams by 20 - 40% in 60 days. No charge if there is no effect.
Opsis
Opsis automatically monitors users, captures hidden bugs, and provides video evidence and copy - paste repair solutions.
InteraxAI
No-code AI widget platform
Postman
EvalCore
EvalCore is an AI behavior snapshot testing tool that can record AI behaviors offline and reproduce them in CI.
Archal
Provides stateful API sandboxes for AI agent testing, with multi-platform support and resettable states.
Pincue
A review session tool for AI-assisted builders that can accurately locate element feedback issues.
Emdash
An open-source agent development environment that orchestrates multiple agents for parallel coding, supports multiple worktrees
PseudoEditor
An online pseudocode editor.
Fuxi AIPPT
An intelligent tool for generating PPTs, mind maps, professional writing, and academic papers with one click
Unity Asset Store
Unity Game Development Resource Store
TalkForm AI
Chat-based form creation and filling, zero-configuration, simple and easy to use
GPTExcel
Unlock the power of AI to effortlessly create and understand formulas for Microsoft Excel, Google Sheets, and Airtable.