NetX provides a drop-in replacement for javaws (Java Web Start). Since upstream NetX is dead, the IcedTea Web project is hosting a fork of the original code. However, as icedtea-web has evolved to complex set of tools, extensions and tests, it has now only a few lines of code shared with the original implementation.

jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

Squid is a high-performance proxy caching server for web clients, supporting FTP, ICY and HTTP data objects.