romaninsh uses SQLite
We build queries in PHP with DSQL that work with SQLite. We also have SQLite data controller, so that you can build SQLite-based models.
Coolfront Technologies uses SQLite
Used during the "build process" of Coolfront Mobile's Flat rate search engine database. Flat rate data that resides in Salesforce is transformed using SQLite into a format that is usable for our mobile Flat rate search engine (AKA: Charlie).
sripathikrishnan uses SQLite
RDBTools is a self-hosted application, and it is important that the installation process is simple. With SQLite, we create a new database file for every analysis. Once the analysis is done, the SQLite file can be thrown away easily.
Reactor Digital uses Memcached
As part of the cacheing system within Drupal.
Memcached mainly took care of creating and rebuilding the REST API cache once changes had been made within Drupal.
csmith932 uses Memcached
Distributed cache exposed through Google App Engine APIs; use to stage fresh data (incoming and recently processed) for faster access in data processing pipeline.
Perljobs.Ru uses SQLite
All the dynamic data (i.e.: jobs) is stored in a simple SQLite database.
Все динамические данные (вакансии) хранятся в простой SQLite БД.
The Independent uses Memcached
Memcache caches database results and articles, reducing overall DB load and allowing seamless DB maintenance during quiet periods.
wnda uses SQLite
There's really no call for something heavier for this site. SQLite is simple, easy to use and quite reliable given its age.
eXon Technologies uses Memcached
Used to cache most used files for our clients. Connected with CloudFlare Railgun Optimizer.