Open source
IT Tools
Free collection of online tools for developers and IT work
Online UtilitiesHandy tools for developers
Alternatives to regex101
12 tools like regex101, chosen by what they do. About regex101
Open source
RegExr
Learn, build and test regular expressions with live matching
Online UtilitiesLearn and test regexInactive
Open source
JSON Crack
Visualize JSON, YAML, CSV and XML as interactive graphs
Online UtilitiesVisualize JSON as graphs
Open source
Alacritty
Fast GPU-accelerated terminal emulator with sensible defaults
Terminals ShellsGPU accelerated terminal
Open source
quicktype
Generates typed models from JSON, JSON Schema and GraphQL
Online UtilitiesJSON to types generator
Open source
GoAccess
Open source real-time web server log analyzer with live dashboards
Debugging ToolsReal time web log analyzer
Open source
Transform
Converts code between formats such as JSON, YAML, SVG and TypeScript
Online UtilitiesConvert code between formats
Open source
Redux DevTools
Debug Redux state changes with action history and replay
Debugging ToolsDebug Redux state changes
Open source
Free
JWT.io
Decode, verify and generate JSON Web Tokens in your browser
Online UtilitiesDecode and verify JWTs
Open source
DevToys
Offline desktop toolkit with 30 tools for everyday developer tasks
Online UtilitiesOffline developer utilities
Curated
UUID Generator
Generate random version 4 UUIDs online, one at a time or in bulk
Online UtilitiesGenerate UUIDs online