It's a full list of my pet projects (which are still alive). If interested in helping any of them, don't hesitate to email. Also, there are a number of projects, which I haven't fully started yet, because I don't have enough time. If you're a Java or Ruby programmer, I'd be interested to discuss a co-founding opportunity for you: I will pay for all project expenses and you will write software. We will be co-founders. Email me.
rultor.com is a chat bot that helps GitHub projects automate their basic DevOps procedures, including merging, deploying, and releasing. It is open source and non-profit. More about it at these articles: Rultor.com, a Merging Bot and Deployment Script vs. Rultor. Founded 5-Jun-13.
jare.io is an instant CDN for small projects. It helps webmasters to eliminate the necessity to pay for CDN and spend time configuring it. More about it here: Jare.io, an Instant and Free CDN. Founded 2-Mar-2016.
s3auth.com is a lightweight Basic authentication gateway for Amazon S3 buckets. Unfortunately AWS doesn't provide such a useful and simple functionality, that's why I created this small hosted service, which is actively used by hundreds buckets up to date. More about it here: Basic HTTP Auth for S3 Buckets Founded 22-Aug-2012.
stateful.co is a hosted set of micro-services that help achieve statefulness in a multi-server/node environments. In other words, it provides persistent simple things accessible over the network. Still not clear? Check this out: Synchronization Between Nodes. Founded 7-May-2014.
takes.org is an open source Java web framework, which adheres to almost all principles of object-oriented programming explained in my Elegant Objects book. More about it in this article: Java Web App Architecture In Takes Framework. Founded 8-Jan-2015.