- Databases
- PostgreSQL 9
- Redis
- MySQL
- MongoDB
- Cassandra (haven’t touched)
- Neo4j (Graphs)
- Data and Stream Processing
- Kafka
- Storm (haven’t touched)
- RabbitMQ
- Celery
- Puppet (haven’t touched)
- Text Search
- ElasticSearch
- Solr
- Tika
- Lucene
- Docfetcher (Tika & Lucene & Java)
- Web Scraping
- Scrapy
- Requests
- ??
- Spark (haven’t touched)
- Hadoop (haven’t touched)