answerbag.com 的前十大競爭對手

reddit.com

reddit is a network of communities where people can dive into their interests, hobbies and passions. there's a community for whatever you're interested in on reddit.

stackexchange.com

we make stack overflow and 170+ other community-powered q&a sites.

answers.com

Answers is the place to go to get the answers you need and to ask the questions you want

gutefrage.net

Auf gutefrage helfen sich Millionen Menschen gegenseitig. Anonym & schnell.

zhihu.com

知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视、时尚、文化等领域最具创造力的人群，已成为综合性、全品类、在诸多领域具有关键影响力的知识分享社区和创作者聚集的原创内容平台，建立起了以社区驱动的内容变现商业模式。

blurtit.com

the community question and answer site designed to help people, to help each other: to ask, to learn, to share, to grow.

experts-exchange.com

A new way to share your EE accomplishments. We've partnered with badge provider Credly to help you tell your story through digital credentials.

podomatic.com

publishing podcasts for free since 2005. record, publish, distribute, and monetize your podcast on desktop or any mobile device. share your voice with the world.

linkedin.com

1 billion members | Manage your professional identity. Build and engage with your professional network. Access knowledge, insights and opportunities.