LightStep Sandbox
How quickly can you debug an error in a distributed system?
21 Alternatives To LightStep Sandbox
Charles
HTTP proxy / HTTP monitor / Reverse Proxy
ConfigCat
ConfigCat is a feature flag and configuration management service. Fixed prices. Unlimited Team members. Ideal for Teams. 10 minutes trainable. Clear docs. Awesome support. True Free plan.
Dev Tools by FullStory
Dev tools for every user session on your website
Eunoia
Words that don’t translate
FLEX
An in-app debugging and exploration tool for iOS.
Grindr
Grindr is the largest social networking app around for gay, bi, trans, and queer people.
HTTP Toolkit
Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, CLI tools, scripts and more.
HTTPDump
A simple, beautiful Webhook debugging tool.
Nudge for Prototypes
Catch usability issues and design mistakes pre-deployment.
POSThere by Path
Debug ALL the POST Requests
Proxyman
An modern and intuitive HTTP debugging proxy on macOS & iOS https://proxyman.io
ReadTheDocs
Spend your time on writing high quality documentation, not on the tools to make your documentation work.
RegExr
RegExr.com is an online tool to learn, build, and test Regular Expressions.
RegViz
Debugging regular expressions visually
Reji
Improve your vocabulary hassle-free í ½í³
Rollout
Fix or prevent critical bugs while your app is live.
Silicon Valley Dictionary
Urban dictionary meets Silicon Valley
Split
Split’s feature experimentation platform helps businesses to make smarter product decisions by…
Surge
Surge is a work of friendship for its based coordinators.
Unleash-hosted
Manage feature roll-out. Reduce risk and increase speed.