HEATKEYS

ACM, the world’s largest educational and scientific computing society, delivers resources that advance computing as a science and a profession. ACM provides the computing field

SlideServe is the easiest way to Upload and Share PowerPoint presentations with the world. Embed the presentations to social networking sites, blogs, and friends.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

오픈소스를 이용한 클라우드 기반 통합 커뮤니케이션 서비스 (OpenSIPS, Asterisk, FreeSWITCH, NoSQL, Cloud)

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Surface mount technology, pcb, ems electronics assembly of printed circuit boards site covering electronics manufacturing assembly process from concept to design - free resource for users and companies.

FREE SEO & PPC Keyword Research software tool, that unveil your competitors’ most profitable Ad copies & keywords. Learn from time-tested Ad campaigns.

The Hour of Code is a global movement reaching tens of millions of students in 200 countries and over 30 languages. Ages 4 to 104.