
RaimaDB is an embedded time series database designed specifically for Edge and IoT devices, capable of operating entirely in-memory. This powerful and lightweight relational database management system (RDBMS) is not only secure but has also been validated by over 20,000 developers globally, with deployments exceeding 25 million instances. It excels in high-performance environments and is tailored for critical applications across various sectors, particularly in edge computing and IoT. Its efficient architecture makes it particularly suitable for systems with limited resources, offering both in-memory and persistent storage capabilities. RaimaDB supports versatile data modeling, accommodating traditional relational approaches alongside direct relationships via network model sets. The database guarantees data integrity with ACID-compliant transactions and employs a variety of advanced indexing techniques, including B+Tree, Hash Table, R-Tree, and AVL-Tree, to enhance data accessibility and reliability. Furthermore, it is designed to handle real-time processing demands, featuring multi-version concurrency control (MVCC) and snapshot isolation, which collectively position it as a dependable choice for applications where both speed and stability are essential. This combination of features makes RaimaDB an invaluable asset for developers looking to optimize performance in their applications.
Learn more

Wallester is an Estonian-licensed financial institution and has been an official Visa partner since 2018, specialising in innovative digital financial solutions and card issuance. We empower companies across the European Economic Area (EEA) and the UK to streamline payments, launch branded cards, and scale efficiently.
What we do:
White-Label Solution with Embedded Finance
Our solution enables businesses to integrate financial services directly into their platforms—a concept known as embedded finance. White-Label allows companies to launch branded payment cards tailored to their specific needs, enhancing customer experiences and opening new revenue streams. We ensure a swift time-to-market with simplified integration and dedicated support from our implementation team.
Wallester Business: Corporate Expense Management
It is designed to modernise corporate expense management. Wallester Business provides companies with instant access to virtual and physical Visa cards, streamlining financial processes through a modern app and comprehensive portal. Features include expense tracking, budget analytics, and seamless integration with accounting systems to enhance financial oversight and efficiency.
Discover how Wallester can transform your financial operations and drive your business forward. Learn more and follow us on LinkedIn, Instagram (@wallester_com) or Facebook (@Wallester).
Learn more
MicroEJ
An embedded GUI (Graphical User Interface) serves as a custom software interface specifically designed for embedded systems, such as microcontrollers and single-board computers. These interfaces enhance user engagement with the system by providing control and monitoring capabilities through visual elements like buttons, icons, sliders, and text fields. MicroEJ's embedded GUI solution combines a visually appealing design with exceptional performance, catering to a wide range of industries, including wearables, home appliances, smart homes, and medical devices, as well as various compact electronic devices. Users enjoy the impressive responsiveness of these embedded GUIs, which ensures an outstanding experience that captivates customers. Additionally, the incorporation of dynamic animations and interactive features improves usability, while MicroEJ's versatile adaptability across different electronic platforms optimizes design investments by allowing for the reuse of graphical widgets across multiple product lines, thereby simplifying the development workflow. This flexibility not only conserves time but also encourages creative product design solutions, ultimately enhancing the overall user experience. By facilitating innovation, embedded GUIs are poised to play a crucial role in the evolution of technology in diverse sectors.
Learn more
µGUI
µGUI is a free and open-source graphics library tailored for embedded systems, providing unrestricted access to its functionalities. Its notable feature is platform independence, which facilitates easy adaptation across various microcontroller configurations. The library is highly versatile, accommodating numerous display technologies like LCD, TFT, E-Paper, LED, and OLED, as long as the display can generate graphics. This adaptability allows developers to work with a diverse array of embedded systems when utilizing µGUI. To successfully implement this library, only two basic prerequisites must be met, which simplifies the process for developers significantly. Consequently, µGUI emerges as an appealing choice for those wishing to incorporate graphical user interfaces into their applications. Its design ethos and flexibility further enhance its suitability for a range of projects.
Learn more