PUBLIC MARKS with tags database & opensource

The Drizzle project is building a database optimized for Cloud and Net applications. It is being designed for massive concurrency on modern multi-cpu/core architecture. The code is originally derived from MySQL.

Taffy DB is a free and opensource JavaScript library that acts as thin data layer inside Web 2.0 and Ajax applications.

MAGIC-SMTPD is a drop in replacement for Dan Bernsteins qmail-smtpd, and was originally designed to be part of the LinuxMagic Magic Mail Server. This OpenSource version has been released to allow others to benefit from it's anti-spam components, and valid user checking to reduce server loads and spam volumes. It is designed to support stock qmail installations, qmail/vpopmail installations, as well as having database support. Designed for ISP service, this will work for all mail servers large and small. Comments are welcome. Support for other mailers is expected in the future. Complete support packages are also available.

DBpedia is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to make sophisticated queries against Wikipedia, and to link other data sets on the Web to Wikipedia data.

Data integration is the process of moving and combining data across the information system. It typically consists of extracting data from different sources (databases, files, applications, Web Services, emails, etc.), applying transformations (join, lookup, deduplication, calculation, etc.) to this data and sending the resulting data to target systems. Talend, the first provider of open source data integration software, leverages the open source model to make data integration available to all types of organizations, regardless of their size, level of expertise or budgetary constraints. Talend’s solutions connect to all source and target systems and they can be downloaded at no cost. Talend also offers data quality solutions, fully complementary to its data integration solutions.

- provider of open source data integration software Talend is the first provider of open source data integration software. Our open, innovative and powerful data integration solutions come pre-packaged, so you can install them easily and quickly put them to work for your business. Talend's technology and business vision shatters the traditional proprietary model for data integration solutions. By delivering a full featured data integration platform leveraging Open Source, Talend makes data integration available to all types of organizations – regardless of their size, level of expertise or budgetary constraints.

you can see most of CMS, Blog sytems, Wiki, e-commerce systems.

功能强大的数据库，开源，可以与现在的商用数据库相比。值得推荐！！