Experts estimate that the number of open source apps available doubles every fourteen months. Sourceforge alone has more than 260,000 projects, and with so many open source apps now available from so many different repositories, it can be hard to keep up. For this list, we've highlighted some newer open source tools you might have missed. We also included some gems from obscure categories, like Mandelbulbs, gene sequencing, and knitting, to name just a few. Other open source tools on the list are good projects that are overshadowed by older, better-known projects, and at least one is an old favorite...
