The best alternatives to XServer are Airtable, Appwrite, and Google Cloud Platform. If these 3 options don't work for you, we've listed a few more alternatives below.
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Airtable is a platform that makes it easy to build powerful, custom applications. These tools can streamline just about any process, workflow, or project—and best of all, you can build them without ever learning to write a single line of code.
A secure open-source backend server provides the core APIs required to build web and mobile applications. Appwrite provides authentication, database, storage, functions, messaging, and advanced realtime capabilities.
restdb.io is a fast and simple NoSQL cloud database service. With restdb.io you get schema, relations, REST API (with MongoDB-like queries) and an efficient multi-user admin UI for working with data. Our customers use it for backends, business databases, API-first CMS, data collection and much more. You can also create dynamic HTML sites easily.
NLSQL Bot is a chat bot, which helps people get requested numbers from database using natural language. NLSQL can be integrated to chat application you are commonly use, - Skype, WhatsApp, Telegram, Facebook Messenger, etc. as well as using webchat within webpage.
Build automated tests for Unity games. With a heavy focus on ease of integration and ease of use, our recording playback approach, automatic game state extraction, and functional testing UI means that you can get your first test up and running with no code.