Crowdin - Localize your product in a seamless way
Mobbo - Mobbo provides analytical insights to benchmark, compare and optimize mobile apps,
POEditor - The translation and localization management platform that's easy to use *and* affordable!
ManyContacts - Create and install a Contact Form in minutes. Easily convert your website visitors into qualified leads. ManyContacts provides a FREE online contact form for conversion optimization.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.
Jungle Scout - Amazon product research made easy.