Bare breakout boards to solder your own ICs
HDMI Plug Breakout Board is a light weight ,less expensive breakout board.
Pimoroni Mini Black HAT Hack3r - Fully Assembled is an ideal board for Debugging.
Breakout board for TQFP/QFN-32/48 pin ICs helps in Prototyping in QFN and TQFP packages.
SMT Breakout PCB for SOIC-28 or TSSOP-28 - 3 Pack! makes Prototyping easier
SMT Breakout PCB Set For SOT-23, SOT-89, SOT-223 and TO252 helps in Prototyping
SMT Breakout PCB for SOIC-8, MSOP-8 or TSSOP-8 comes in a pack of 6 for making Prototyping so much easier.
Adafruit PCB Ruler - 6" is a tool to make the right measurements.
SSOP to DIP Adapter is a converter of SSOP to DIP for upto 8 pins