pigeonmsg.com is described as 'Get feedback from family members, friends, classmates, or product review from customer. This feedback tool has remarkable featured which is word censor (English and Malay only) to help censor bad words from sender'. There are more than 10 alternatives to pigeonmsg.com, not only websites but also apps for a variety of platforms, including iPhone, Android, Self-Hosted solutions and Google Chrome. The best alternative is Ask.fm, which is free. Other great sites and apps similar to pigeonmsg.com are Hawaar (Free), CuriousCat.me (Free), Hiddenpost (Free) and Pecord (Free, Open Source).
In zabuu question box you can create a question box and collect questions from everyone. -For Twitter login creation, Twitter login is required. Also, you can ask other people question box anonymously or answer questions you came to.