Highcharts, a Javascript-based charting library, makes it easy to add interactive charts and graphs to web or mobile projects of any size.
Highcharts is used by more than 80% of the 100 biggest companies in the world, as well as thousands of developers from a variety of industries, including finance, publishing, application development, and data science.
Highcharts is in active development since 2009. It remains a favorite among developers due to its robust feature set and ease-of-use documentation, accessibility features and vibrant community.
Learn more

MobiPDF (formerly PDF Extra) is an intuitive reader and editor that allows you to read, edit, create, OCR, organize, annotate, fill and sign, convert, and share any PDF. This makes MobiPDF an excellent choice for users seeking a budget-friendly alternative to Adobe Acrobat Pro.
HERE’S WHAT YOU GET WITH MOBIPDF:
Multiple Page View Modes: Enjoy a distraction-free "Read Mode".
Advanced Editing Tools: Experience a Word-like PDF editing environment.
Two-Way Conversions: Convert PDFs to and from Word, Excel, PowerPoint, or image formats.
OCR Support: Make scanned documents searchable.
Markup Tools: Highlight, comment, strikethrough, stamp, and more to enhance your documents.
Effortless PDF Organizer: Reorder, compress, split, and combine PDFs with ease.
Sign & Secure: Add signatures, create and fill forms, and protect your PDFs with passwords, encryption, and digital certificates.
Offline Mode: Work freely on your projects, even offline.
Seamless translation: One-click translate any PDF into 50+ languages.
Learn more
Trancy
Trancy is an innovative AI-driven language learning assistant available as a browser extension and mobile application, revolutionizing the way users engage with videos and web content for educational purposes. It provides precise bilingual subtitles for a variety of platforms, including YouTube, Netflix, TED, HBO Max, edX, Coursera, and several others, while also incorporating advanced features like intelligent sentence segmentation and AI-based grammar analysis to ensure seamless and clear translations. Users enjoy a specialized reading mode that moves the video aside to focus on the subtitles presented as text, along with customizable font options, bookmarking capabilities for words and sentences, and interactive AI tools that facilitate word lookups and grammar breakdowns through OpenAI. On web pages, Trancy allows users to translate words by clicking or selecting them, offers complete sentence translations, and performs AI-enhanced sentence structure analyses and part-of-speech tagging, automatically highlighting unfamiliar words and adding them to user-specific word lists for future study. Furthermore, the immersive full-text translation feature enables users to juxtapose the original text with its translation, enhancing their comprehension and learning experience. This multifaceted approach not only makes language learning more engaging but also significantly improves retention and understanding of new vocabulary.
Learn more
Language Reactor
Language Reactor is a versatile language learning tool that operates as a freemium extension for browsers like Chrome and Edge, aimed at converting real-world media into engaging educational experiences. By adding bilingual subtitles while streaming content on platforms such as Netflix and YouTube, it enables learners to access both their target language and their native tongue, complemented by a convenient dictionary feature that provides immediate definitions, synonyms, and pronunciation through hover or click actions. The extension also allows users to import various texts and e-books, enhancing them with machine translation overlays and lifelike text-to-speech capabilities, which transform previously static content into an interactive format. In addition to these features, it offers utilities such as PhrasePump for practicing phrases, a listening module, and a chatbot for engaging in conversations, while also providing comprehensive word-list management that includes color-coding based on familiarity. Furthermore, the playback controls are equipped with options like auto-pause, speed modifications, and sentence looping, all designed to deepen understanding and retention of the material being studied. With its user-friendly interface and extensive array of features, Language Reactor stands out as a valuable resource for anyone looking to enhance their language acquisition journey.
Learn more