clover.ETL and clover.GUI are ETL tools meant for developing data transformations and data integration applications. They are based on Java technology and therefore platform independent and resource-efficient. clover.ETL is an open source project, released under both LGPL and commercial license. clover.GUI is free for non-commercial purposes.
clover.ETL
clover.ETL is an Open Source, Java based data integration framework which can be used to transform data.
Clover.ETL is released under dual-license:
- commercial
- LGPL License.
Feature Highlights
- internally represents all character data as Unicode - any character from any codepage can be represented - ASCII, LATIN, ASIAN, etc.
- converts data from & to common character sets (ASCII, UTF-8, ISO-8859-1,ISO-8859-2, etc)
- contains palette of more than 40 specialized transformation components
- nativelly supports all major industry standard databases (Oracle, MS SQL, DB2, Infromix, Sybase) and several open source variants (MySQL, PostgreSQL). Other databases are supported through JDBC layer
- reads & writes XML data/ Excel (XLS) data/ variable length data (CSV) / fix-length data and several other not so common formats (dBase/FoxPro/FlashFiler)
- supports remote reading/writing of data through FTP/SFTP/HTTP/HTTPS protocols, also works with ZIPed & GZIPed data
- runs on 32bit & 64bit platforms - Windows, Linux, AIX, Solaris, HP-UX, AS/400 and many others
More Features
- data records are internally handled as a variable-length data structures - can handle very large records (theoretical limit 231)
- fields can have default values, text formats, NULL value checkers
- contains connectors to other systems through standard protocols: middleware - JMS, LDAP, SOAP
- transformation of data is performed by independent components, each running as an independent thread - can utilize more than one CPU (is very scalable)
- framework implements so called pipeline-parallelism - when data record is processed by component, it is immediately sent to the following component for additional processing.
- contains interpreter of specialized transformation language - CTL
- transformations (mappings) of data can be also coded directly in Java or any other scripting language
- metadata describing structures of data (records) and transformations can be read/written from/to XML
- works with common Source Code Management Systems - CVS, SVN, SourceSafe
- can be easily extended by custom components
clover.ETL Overview
More detailed information on clover.ETL's functionality can be found in the clover.ETL Overview slides (in PDF format).
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