Collaborizm is described as 'Join a growing community of aspiring people looking to get matched, chat, work together, and build incredible things' and is an app in the Office & Productivity category. There are more than 25 alternatives to Collaborizm for a variety of platforms, including Online / Web-based, iPhone, Android, iPad and Self-Hosted solutions. The best alternative is Mobilizon, which is both free and Open Source. Other great apps like Collaborizm are Meetup (Freemium), Openki (Free, Open Source), Agorakit (Free, Open Source) and Facebook Local (Free).
Make events happen. Be the spark. Design real-life events and pool funds with friends and people from your block. Get the app. Start an event. Find your crowd. Our formula is simple, Creative idea + Interesting People + Party Funds = A Kick-Ass Time.
ATG - The Next Gen Platform for Professional & Personal Networking. Connect to people who love doing what you love to do. Got questions? Ask. Know an answer? Help someone find the answer. Find & Post free Events and Meetups. Find jobs. Find people.
The Open Event Project offers event managers a platform to help users organize events including concerts, conferences, summits and regular meetups . The components support organizers through all stages from event planning to publishing, marketing and ticket sales.