Transferslot - Easily buy and sell side-projects
1Kprojects - Neglected side projects for less than $1000.
SideProjects - A platform to share side projects you're working on
SideProjectors - Marketplace to buy and sell side projects
Sidemake - Side-projects by makers with day-jobs at top tech companies.
Solodoers - Get matched with a side-project you want to scale