Common wire-to-board, wire-to-wire connectors, and crimp tools

Any ideas on how to connect these connectors without buying the $1,000 US crimping tool? I messed this one up pretty badly using my wire cutter multi-tool. : r/diyelectronics

Help Needed With Crimping - All Crimps Pull Out

Building a 3D Printer: Wiring

Wire-to-board connectors for assemblies

PC Modding crimp connectors and tools – Matt's Tech Pages

Arduino 6 Wire Stepper Motor Tutorial

Connecting PCB Terminal Block to LED Lead

Pinball Pearltrees

Using Wire-To-Board PCB-Mounted Connectors In Your Cable Assembly

Wire-to-Board Connectors

Cable Sleeving Gallery & Discussion, Page 587

Squba Connectors