ObjectBox
Realm.io
Microsoft SQL Server Compact
CompactView
VoltDB
UnQLite
Valentina DB ADK
NuoDB
Firebird
MongoDB
Microsoft SQL Server
CouchBase
Brilliant Database
Microsoft Office Access
LibreOffice - Base
PostgreSQL
ObjectBox is a super fast database and sychronization solution, built uniquely for Mobile and IoT devices. ObjectBox is uniquely designed for small devices, so it is the ideal solution across hardware from Mobile Apps, to IoT Devices and IoT Gateways. It is the first high-performance NoSQL, ACID-compliant on-device edge database. Plus, it's built with developers in mind, with easy to use code that takes minimal time to implement.
ObjectBox supports Java, C/C++, Go, Kotlin, Swift and Python. Running on Android, Mac/iOS, Windows, Linux, Raspbian & more.
ObjectBox FirebirdBased on our record, ObjectBox should be more popular than Firebird. It has been mentiond 7 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
When I first attempted to publish to F-Droid, I experienced several pipeline issues. After reading through the pipeline logs in GitLab, I realized that my application's database (ObjectBox) was not entirely FOSS compliant and was causing build failures. The following day was spent migrating my app to Room. - Source: dev.to / over 1 year ago
I would focus on Kotlin instead of Java, there's really no point in sticking to Java at this point. And when it comes to databases, some local ones that are pretty easy to get into are Realm and ObjectBox, SQLite can definitely be a bit overwhelming at the beginning. Source: almost 2 years ago
Just to add to this, there's also Realm and ObjectBox as alternatives. Source: over 2 years ago
Adding ObjectBox [0] to the list. [0] https://objectbox.io/. - Source: Hacker News / almost 3 years ago
While - strictly speaking - "database" refers to a systematic collection of data, "Database Management System'', or DBMS, refers to the piece of software that provides an efficient and versatile method of working with data(eg: ObjectBox). However, often the term "database" is also used loosely to refer to a DBMS, and you will find most DBMS only use the term database in their name and communication. - Source: dev.to / almost 3 years ago
Y'know, this situation is why Firefox bounced off the names Phoenix and Firebird before settling. Source: almost 3 years ago
Another big open source DB I'd like to hear about more often is Firebird (https://firebirdsql.org/) which was forked from the Interbase code released by Borland (don't remember how they were called at the time). Four choices of connection model (process-by-connection, thread-by-connection, some weird mix, and in-process), full ANSI SQL, runs on all major platforms, and uses single file databases. Seems to be the... - Source: Hacker News / over 3 years ago
For C/C++ Firebird could be an option, although that isn't really "in memory" as it persists all data to disk. Source: about 4 years ago
Realm.io - Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Microsoft SQL Server Compact - Bring Microsoft SQL Server 2017 to the platform of your choice. Use SQL Server 2017 on Windows, Linux, and Docker containers.
Microsoft SQL Server - Microsoft Azure is an open, flexible, enterprise-grade cloud computing platform. Move faster, do more, and save money with IaaS + PaaS. Try for FREE.
CompactView - Viewer for Microsoft® SQL Server® CE database files (sdf)
CouchBase - Document-Oriented NoSQL Database