I just finished reading the last article in the series "Party Of One: Surviving A Hobby Open-Source Project" by Kirill Grouchnikov. Kirill does an excellent job capturing the different phases and obstacles that small teams working on open source projects go through (we are a party of two) and offers great advice on how to deal with them.
Kirill focuses on many aspects that play a big role in the success of an open source project:
Although the intended audience are very small teams (hence the title,) I think that anybody working or planning to work on a open source project should read every article in the series:
I'm a user of the Substance L&F and I have always admired Kirill for the excellent quality of the project and how he managed to keep up development for long time (3+ years?...time flies!)
Thanks Kirill for sharing your experiences!