Poedit is described as 'is cross-platform gettext catalogs (.po files) editor. It is built with wxWidgets toolkit and can run on any platform supported by it (although it was only tested on Unix with GTK+ and Windows)' and is a popular Translator App in the Education & Reference category. There are more than 25 alternatives to Poedit for a variety of platforms, including Online / Web-based, Windows, Linux, SaaS and Mac. The best alternative is Crowdin. It's not free, so if you're looking for a free alternative, you could try Weblate or POEditor. Other great apps like Poedit are Pootle (Free, Open Source), Texterify (Freemium), Lokalize (Free, Open Source) and Virtaal (Free, Open Source).
Gorm was designed for a scenario, where software developers are in charge of delivering a translation environment to translators, and the translator must work as efficient as possible, with minimum help from the software developers.
Localise.io helps you manage localisation of iOS and Android applications without resubmitting it to the App Store or Google Play. It also helps you to add new languages and correct translations remotely.
Localize is a very convenient service that provides SDK and online update for iOS and Android apps translation. You can manage your localisation files without the need to think about which version of the app you're updating.
Xliffie is designed for developers in mind, with functions like checking printf-formatted string (make sure your %@ is not a %d in the translated string), search with regex, Google / Bing translated, etc.
Crowdl.io is a free translations manager with crowd translations features. Create a project, load your strings, and share your project's link with your translators. It can export to different formats, like JSON, Android and iOS.
You no longer have to worry about choosing the right i18n library, editor, or platform. Tolgee is the only tool you need to translate your web-based project to any language you wish. Tolgee consists of a localization platform and SDKs you can integrate into your projects.