Seedcamp

Rerun is a software company that delivers an open source toolkit for creating effective visualizations. Its core offering is a visual introspection tool designed to build time-aware visualizations of multimodal data. The platform combines computer vision, machine learning, and sensor fusion to visualize both live and historical data, supporting use cases in design, management, support, and operations. By helping organizations visualize data from physical-world systems, Rerun enables teams to understand, communicate, and reason about their systems and data more effectively.

Founded in 2021, crowd.dev is a community-led growth platform designed specifically for developer-first companies. The platform offers a comprehensive suite of tools that enables businesses to analyze, grow, and leverage online communities to achieve their objectives. crowd.dev is open-source, providing users with the flexibility to choose between self-hosted or hosted versions, ensuring complete control over their community's data. It facilitates real-time aggregation of community member information and organizational data across various platforms, allowing companies to effectively engage, support, and collaborate with developers. Through its innovative approach, crowd.dev aims to enhance how businesses harness the power of community engagement to drive growth.

Meilisearch develops an open-source search engine API platform. It offers fast, customizable searching and indexing capabilities, utilizing algorithms and natural language processing for relevant results.

Baserow is a no‑code, open‑source database platform that lets non‑technical teams capture, organize, and analyze data to drive business insights and automate processes. Its intuitive interface and robust features simplify data management and enhance collaboration across IT, operations, data, HR, and marketing functions. The platform is offered as both cloud and self‑hosted solutions, allowing organizations to meet security and regulatory requirements. Baserow is AI‑agnostic, enabling seamless integration with any AI model to enrich data, automate tasks, and boost productivity.

Rerun is a software company that delivers an open source toolkit for creating effective visualizations. Its core offering is a visual introspection tool designed to build time-aware visualizations of multimodal data. The platform combines computer vision, machine learning, and sensor fusion to visualize both live and historical data, supporting use cases in design, management, support, and operations. By helping organizations visualize data from physical-world systems, Rerun enables teams to understand, communicate, and reason about their systems and data more effectively.

Open Source Webflow alternative

Appwrite is a technology company that provides an open-source platform for developers to build scalable applications. Their platform offers services such as user authentication, databases, serverless functions, and storage, allowing developers to use their preferred coding languages and tools. The platform aims to simplify backend development by abstracting complexities and promoting secure application building.

Meilisearch develops an open-source search engine API platform. It offers fast, customizable searching and indexing capabilities, utilizing algorithms and natural language processing for relevant results.

Orchest Software B.V., based in Rotterdam, the Netherlands, operates as a cloud data science platform that offers an open-source, cloud-native integrated development environment tailored for data scientists. The platform provides tools that facilitate the development, iteration, and deployment of data pipelines, allowing users to transition from initial ideas to deployment without the need for extensive infrastructure or engineering support. This approach enhances workflow autonomy, enabling data scientists to work more efficiently within a unified environment.

Appwrite is a technology company that provides an open-source platform for developers to build scalable applications. Their platform offers services such as user authentication, databases, serverless functions, and storage, allowing developers to use their preferred coding languages and tools. The platform aims to simplify backend development by abstracting complexities and promoting secure application building.

Medusa is an open-source headless commerce engine and SDK that provides primitives for developers to build customized digital commerce experiences. Its tools are designed to run in modern environments, enabling developers to create scalable e-commerce applications with end-to-end software development and web application capabilities. The platform supports multi-regional shopping experiences by offering flexible data models and extensible components, allowing businesses to tailor storefronts, checkout flows, and product management to specific needs.

GDevelop is an open-source game creation platform that enables users to develop games efficiently and intuitively. Designed for a broad audience, the software offers a range of features, including player management, leaderboards, and a comprehensive animation system. Its tools also include visual effects, a platformer engine, and a performance profiler, which facilitate the creation and editing of various types of games. GDevelop aims to simplify the game development process, making it accessible for both casual creators and those looking to produce more ambitious projects. This user-friendly approach distinguishes GDevelop from traditional game engines, allowing individuals to focus on creativity without extensive programming knowledge.

Meilisearch develops an open-source search engine API platform. It offers fast, customizable searching and indexing capabilities, utilizing algorithms and natural language processing for relevant results.

QuestDB develops an open-source time-series database designed for real-time analytics. It provides a high-performance, relational platform optimized for time-series workloads, capable of ingesting data via HTTP, PostgreSQL wire protocol, Influx line protocol, or direct Java clients. The architecture emphasizes efficiency and hardware-aligned design to support millisecond query latency and the ingestion of billions of time-stamped events on standard hardware. QuestDB enables real-time data processing across use cases in finance, IoT, and DevOps observability, with time-series SQL extensions and scalable performance. The company was founded in 2019 and is based in London.

ShareLaTeX is a company based in Wickford, England, that offers an online LaTeX editing platform. This platform serves as an open-source editing service, allowing users to convert Word documents into LaTeX format. ShareLaTeX facilitates collaboration among users by providing a user-friendly interface and maintaining a document history, which supports remote work. The company's focus on making LaTeX more accessible enhances the writing and editing experience for users in various fields.

Countly is a mobile analytics platform founded in 2011 and based in Istanbul, Turkey. It specializes in real-time analytics, enabling game studios, marketers, agencies, and operators to track and analyze user behavior across mobile, web, and desktop applications. Countly collects data from various devices and visualizes this information, helping businesses understand customer journeys and improve their products. The platform is designed with privacy in mind and allows companies to securely process vast amounts of data, supporting customizable plugins and integrations that enhance productivity and reduce licensing costs. Countly's features include real-time analytics, crash reporting, push notifications, and A/B testing, which empower teams to make informed, data-driven decisions. With a focus on data ownership and security, Countly provides a comprehensive environment for innovation, ensuring compliance while helping businesses drive engagement, improve customer experiences, and achieve their revenue goals.

MightyFingers is a game development company based in Riga, Latvia, founded in 2011. It specializes in creating a hypertext markup language 5 (HTML5) and JavaScript-based game engine designed for developing two-dimensional and isometric online games for both desktop and mobile platforms. The engine provides an array of features that facilitate game creation, including asset management, a map editor, a physics engine, a code editor, and support for Android export. Additionally, it offers tools for animation, game hosting, and data export, allowing users to create and publish games quickly and efficiently. With its open-source and web-based framework, MightyFingers aims to streamline the game development process for creators.

Plakar is a software company specializing in secure and efficient data backup and recovery solutions. Its platform simplifies modern data management, offering features such as compression, encryption, and data deduplication to ensure businesses maintain full control and compliance over their critical information. Plakar's open-source design and Unix-like commands make it accessible to developers, while its robust capabilities meet the compliance needs of enterprises.