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Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets. It allows users to visualize and explore geospatial data in a highly interactive and customizable way, enabling them to gain insights and make data-driven decisions.
✦ Best for urban planners and data analysts
LlamaIndex OSS is an open-source framework for building agentic applications. It provides a core package plus over 300 integration packages for your preferred LLM, embedding and vector store providers. This allows developers to easily integrate their own data and build custom agents. The framework is designed to be flexible and scalable, making it suitable for a wide range of applications.
✦ Best for experienced ai developers and researchers
SeaweedFS is a distributed storage system designed to handle billions of files with O(1) disk access and effortless horizontal scaling. It supports object storage (S3), file systems, and Iceberg tables, making it a versatile solution for various use cases.
✦ Best for big data analytics teams
unidbg is a software that allows users to emulate Android native libraries and provides experimental support for iOS emulation. It enables developers to test and debug their applications in a controlled environment, without the need for physical devices.
✦ Best for advanced mobile app developers
Unleashed Firmware is a custom firmware for Flipper Zero, a portable multi-tool for hacking and exploring wireless devices. It offers a range of advanced features, including Sub-GHz improvements, Infrared updates, NFC/RFID tools, plugins, Web Installer, and community apps. This firmware is designed to provide a stable and feature-rich experience for users, with a focus on community-driven development and support.
✦ Best for experienced hackers and makers
Socket.io is a JavaScript library for real-time web applications. It enables bidirectional and low-latency communication between web clients and servers. It is designed to be easy to use and provides a simple API for sending and receiving messages.
✦ Best for experienced developers seeking cross-platform compatibility
FlatBuffers is an efficient cross‑platform serialization library that lets you store and access data without parsing or unpacking. It was created by Google and is widely used in game development, mobile apps, and high‑performance services. The library supports C++, C#, Go, Java, JavaScript, Python, Rust and many other languages, providing a compact binary format and direct memory access. Its design enables low latency, minimal memory overhead, and easy schema evolution.
✦ Best for high-performance app engineers
Syft is a CLI tool and library for generating a Software Bill of Materials (SBOM) from container images, filesystems, and archives. It provides a comprehensive inventory of software components, including dependencies and licenses, and pairs with a scanner such as Grype for vulnerability detection, enabling users to manage and secure their software supply chain.
✦ Best for devops and security teams needing free, comprehensive sboms for containers
Hiddify-app is a multi-platform auto-proxy client that supports various protocols such as Sing-box, X-ray, TUIC, Hysteria, Reality, Trojan, and SSH. It is an open-source, secure, and ad-free solution for users looking for a reliable proxy client. The app is designed to provide a seamless and efficient proxy experience, allowing users to browse the internet securely and privately.
✦ Best for power users seeking secure browsing
Citymapper combines real‑time public transport data, walking, cycling, rideshare and car‑share options into a single, easy‑to‑use navigation app. It helps users find the fastest, cheapest, or most eco‑friendly route across hundreds of cities. The app also offers live service alerts, step‑by‑step directions, and a subscription Pass that bundles multiple mobility services into one payment, making urban travel seamless and predictable.
✦ Best for urban daily commuters
The Rockstar Games Launcher is a dedicated desktop client that lets you browse, purchase, download, and launch Rockstar titles on PC. It centralises your Rockstar library, provides automatic updates, and integrates social features like friends lists and in‑game events. Designed for Windows PCs, the launcher offers cloud‑save synchronization, easy access to game news, and a streamlined experience without the need for third‑party platforms.
✦ Best for rockstar fans on windows
Yandex Browser is a Chromium‑based web browser that combines speed with integrated security features like Protect technology and Turbo mode for faster page loads on slow connections. It also offers a built‑in AI assistant, voice search, and seamless synchronization across devices. The browser includes a customizable start page, ad blocker, and a collection of extensions from the Chrome Web Store, making it a versatile choice for everyday users and power surfers alike.
✦ Best for users wanting fast, secure browsing with ai help