DryAF looks like it could be the last spool you'll ever need.
The project says that it is compatible with MasterSpool refills, plus other popular brands' filament refills, and its 100% metal system fixes common issues with other reusable and plastic spools. Coming soon to Kickstarter, where you can sign up for updates.
Matthew Mensley is a senior editor at All3DP with nine years covering consumer 3D printing hardware. He writes news, reviews, and buying guides with the clarity of someone who's seen enough hype cycles to know which ones to take seriously.