The best replacement for polipo is squid.

The best alternatives to polipo are rated as following:
★★★★★  squid
★★★★  tinyproxy
★★★  mioma
★★★  quiste de retencion
★★★  quiste
★★★  privoxy
★★  mioma submucoso
★  papiloma
  polpo

Your alternative for polipo is not listed? Suggest!
Speaking about polipo, one probably shouldn't forget about tor.

Other search terms related to polipo and their ratings are:
★★★★★ tor
★★★ privoxy
★★ tor configuration
You have in mind a companion for polipo and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of polipo in all years. Click on graph for more.
polipo
squid
tinyproxy