Data Integration or ETL products

Top picks out in the market –
1. Informatica
2. IBM DataStage
3. Ab Initio
4. Oracle
5. SAP Business Objects Data Integrator
6. Microsoft SSIS

Top Challengers–
1. SAS/DataFlux
2. iWay Software
3. Talend
4. Syncsort
5. Pervasive Software
6. Pitney Bowes Insight

Competitive price vendors –
1. Informatica Cloud edition
2. expressor-software (pricing based on channels i.e. multiple processing)

Open Source vendors –
1. Talend
2. Apatar
3. Pentaho Kettle
4. SnapLogic

Cloud/SaaS Based vendors –
1. Informatica
2. SnapLogic
Both started by entrepreneur Gaurav Dhillon.

Top Pipeline Partitioning vendors –
1. IBM DataStage (process based)
2. Informatica (multi thread based)
3. expressor-software (hybrid based)

Top Message oriented/Real-time processing vendors –
1. IBM DataStage
2. Informatica

Best salesforce.com Integration vendors – 
1. Informatica (both Cloud edition based and adaptor based support)
2. IBM DataStage (Adaptor/Pack based support)


Top ELT architecture based vendors –
1. Talend (excellent ELT based objects to drag and drop in the designer)
2. IBM DataStage (provides options to create tables before loading)