Best Nonprofit Relational Database

Organize your work your way with Airtable. An all-in-one collaboration software, Airtable combines the power of a relational database with the flexibility and ease of use of a spreadsheet. It works across platforms and devices, and syncs data in real-time. Users can choose from different formats to view the tasks at hand, including grid, calendar, Kanban, gallery, and forms.

Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production systems, under a variety of names, since 1981. The Firebird Project is a commercially independent project of C and C++ programmers, technical advisors and supporters developing and enhancing a multi-platform relational database management system based on the source code released by Inprise Corp (now known as Borland Software Corp) on 25 July, 2000. The Firebird Project supplies users, developers, and administrators with various kinds of documentation, from Quick Start guides to expert-level articles devoted to various aspects of Firebird.

HanDBase is a light and fast relational database manager for mobile devices which offers data entry, searching, sorting, filtering, printing and synchronization across a wide variety of desktop computers, tablets, handheld computing devices and smartphones. With HanDBase you can keep track of almost anything. Create your own custom data based applications in minutes using HanDBase and begin tracking whatever important information you need to be more productive while on the go. HanDBase is available as a separate product for many different devices and Operating Systems. Cross-platform technology makes it possible to seamlessly share database files & records with different types of devices. Forms Designer is available for some versions. Create completely custom interfaces for your records. Multi-user Syncing technology merges two or more users data into a single database / table.