xCurrency - Smart Currency - A simple ads-free currency converter.
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
Morningstar - Independent. Insightful. Trusted.