<a href="https://join.osmfoundation.org/" rel="nofollow">https://join.osmfoundation.org/</a> Some of the <a href="https://wiki.openstreetmap.org/wiki/Google_Summer_of_Code/2018/Project_Ideas" rel="nofollow">https://wiki.openstreetmap.org/wiki/Google_Summer_of_Code/20...</a> haven't been finished, 2019 planning started. There's also <a href="https://wiki.openstreetmap.org/wiki/Top_Ten_Tasks" rel="nofollow">https://wiki.openstreetmap.org/wiki/Top_Ten_Tasks</a> and the more generic <a href="https://wiki.openstreetmap.org/wiki/Develop" rel="nofollow">https://wiki.openstreetmap.org/wiki/Develop</a>