Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Goliath - Goliath is an open source version of the non-blocking (asynchronous) Ruby web server framework powering PostRank.
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
LXQt - The LXQt team is proud to announce the release of qtermwidget and qterminal, both in version 0. 8. 0. Read more..
Postman - The Collaboration Platform for API Development
LXDE - Why will you like it? Less resource needs. You can use it on your less-pricey embedded board or salvaged computer. Component-based design. Don't want something in LXDE, or you don't want to use LXDE but only part of it?