Curated
Proxyman
Native HTTP and HTTPS debugging proxy for Mac, iOS and more
Debugging ToolsNative HTTP debugging proxy
Alternatives to Charles Proxy
12 tools like Charles Proxy, chosen by what they do. About Charles Proxy
Open source
mitmproxy
Free interactive HTTPS proxy to inspect and modify web traffic
Debugging ToolsInteractive HTTPS proxy
Curated
Seq
Self-hosted server for searching structured logs and traces
Debugging ToolsStructured log search server
Freemium
Wappalyzer
Finds the technologies a website uses, and builds company lead lists
Debugging ToolsIdentify website technologies
Open source
Redux DevTools
Debug Redux state changes with action history and replay
Debugging ToolsDebug Redux state changes
Open source
lnav
Terminal log viewer that merges, filters and queries log files
Debugging ToolsTerminal log file viewer
Open source
Tampermonkey
Browser extension for running JavaScript userscripts on any website
Debugging ToolsPopular userscript managerInactive
Open source
GoAccess
Open source real-time web server log analyzer with live dashboards
Debugging ToolsReal time web log analyzer
Open source
Open source
MockServer
Open source mock, proxy and recording server for HTTP and gRPC
Mocking TestingMock and proxy HTTP
Open source
NGINX
Web server, reverse proxy, load balancer and cache
Networking ProxiesWeb server and reverse proxy
Free
JWT.io
Decode, verify and generate JSON Web Tokens in your browser
Online UtilitiesDecode and verify JWTs