Open-source alternatives to TimelineJS

Kimai is an open-source time tracking system that records employee working hours, manages absences, and generates professional invoices from recorded timesheets and expenses. It organizes all time records through a mandatory three-level hierarchy of customer, project, and activity, and supports project budget monitoring with configurable time and money limits. The application is extensible through a plugin system that allows adding custom features, invoice templates, reporting views, and dashboard widgets without modifying core files. It provides a RESTful JSON API for programmatic read and w

Impress.js is a browser-based presentation engine that transforms standard document elements into interactive, three-dimensional slide decks. It functions as a declarative layout framework, allowing users to define spatial relationships and visual perspectives for content within a coordinate-based canvas. By leveraging the browser's native rendering capabilities, it enables the creation of non-linear slide decks that utilize hardware-accelerated transformations for movement and perspective shifts. The framework distinguishes itself through a state-driven controller that manages active content

pickadate.js is a responsive jQuery date and time picker designed for web forms. It provides a localized input interface that allows users to select specific calendar dates and precise clock times. The library features a customizable calendar UI with configurable colors, sizes, and breakpoints. It includes a localization system to adapt interface text and date formats into multiple languages and regional settings. The component includes interactive date and time inputs and a styling system for modifying visual design to match specific brand identities. Its layout automatically adjusts for di

This project is a self-hosted forum software and extensible community platform designed to facilitate online discussions and member engagement. It functions as a REST API discussion engine, providing a backend that manages community interactions and forum data via a standardized JSON interface for external applications. The platform is distinguished by a modular architecture that allows for deep customization through a package-based extension system and an interface extension framework. It employs an extender-based customization model, enabling external modules to modify internal system behav

Viewers is a zero-footprint DICOMweb medical imaging viewer and a modular plugin framework. It serves as a diagnostic interface for rendering 2D and 3D medical images, providing a web-based clinical workflow engine to automate image layouts and toolsets. The project distinguishes itself through a highly extensible architecture that allows for the development of custom clinical workflows, specialized viewing modes, and the integration of external functional extensions. It includes a dedicated command line interface for managing these plugins and supports white-labeling through a comprehensive

This project is a framework for building real-time collaborative rich-text editing environments. It provides a structured, schema-based engine that enforces document integrity while allowing multiple users to modify content simultaneously through synchronized state management and conflict resolution protocols. The editor distinguishes itself through a highly modular plugin architecture that supports the integration of complex, interactive UI components built with external frontend libraries. By utilizing a custom rendering engine and a versioned, immutable document state tree, it enables deve

CodeMirror 5 is a browser-based code editor and extensible UI component. It functions as a syntax highlighting engine and a programmable text surface, providing a professional coding experience embedded within web pages. The project is distinguished by its ability to act as a collaborative text editor, synchronizing document changes across multiple users in real time. It also includes a dedicated Vim emulation layer that implements modal keyboard interactions, motions, and operators. The system covers broad capability areas including language support for autocompletion and error analysis, co

MediaElement is a JavaScript library that wraps native HTML5 audio and video elements to provide a unified media interface and a customizable player framework. It acts as a multi-format media controller and a web-based plugin framework, normalizing playback controls and visual styles to ensure a consistent experience across different web browsers. The project distinguishes itself through a plugin-based playback system that maps specific MIME types to custom renderers, allowing the integration of third-party media embeds and external playback engines. It supports advanced delivery features inc

Skrollr is a dependency-free scroll-driven animation engine and cross-platform frontend library. It functions as a toolkit for linking CSS properties and HTML attributes to scroll positions to create synchronized animations, specifically providing utilities for the interpolation of SVG attributes. The library enables the creation of parallax scrolling and interactive web storytelling by mapping scroll offsets to specific style values. It allows for the development of non-linear movement and dynamic SVG effects through the use of custom HTML attributes that define keyframes. The system covers

PKHeX is a Pokémon save file editor and save data converter. It serves as an entity data modifier and external data importer used to change game save data and memory images across multiple software generations. The project enables the transformation of game data between different software versions and file formats to ensure cross-generation compatibility. It integrates external files and codes into existing save records to update game state. The tool provides capabilities for save file management and game state manipulation, allowing for the modification of individual entity records, charact

Baserow is a no-code relational database and application builder that allows users to create structured data tables and business tools through a visual interface. It functions as a headless REST API data backend and a self-hosted data workspace, providing a platform for managing collaborative databases while maintaining full control over data residency. The platform integrates large language models to serve as an LLM-powered data platform, capable of generating database structures, record content, and technical workflows from natural language. It also acts as a Model Context Protocol server,

ScrollMagic is a DOM scroll interaction framework and animation engine used to map scroll progress to callbacks and visual effects. It functions as a library for triggering animations based on a user's scroll position and the proximity of elements to the viewport. The framework employs a plugin-based system to extend core behavior and customize how elements react during movement. This allows for the development of non-standard scrolling interactions and interactive storytelling experiences where content transitions are tied to the scroll position. The system provides capabilities for viewpor

Theatre is a motion graphics and animation library designed for the web. It functions as a declarative state animation engine that manages the properties of visual elements over time, allowing developers to create complex, time-based sequences and interactive motion graphics directly within the browser. The framework distinguishes itself through its focus on audio-synced animation, providing tools to coordinate visual motion sequences with external sound files. By utilizing a declarative animation graph and keyframe-based property interpolation, it enables the creation of rhythmic, music-driv

This is a desktop HTTP client application used for constructing, sending, and analyzing HTTP and GraphQL requests. It provides a graphical interface for API development and testing, including a dedicated GraphQL client with schema-driven autocomplete and validation. The project features an integrated AI assistant that generates API requests from natural language prompts. It supports a complex organization system of spaces and collections with hierarchical authentication inheritance and recursive variable resolution for dynamic request values. The tool covers a broad range of capabilities, in

fasd is a frecency-based path navigator and POSIX shell productivity tool designed to accelerate navigation between files and directories. It functions as a command-line wrapper that resolves shorthand queries into absolute paths by ranking results based on how often and how recently they have been accessed. The utility uses fuzzy string matching and case-insensitive lookups to resolve partial directory and file names. It can also import access history from external backends, such as text editors and desktop environments, to refine the accuracy of its ranking database. The tool provides shel

fl_chart is a data visualization library and UI component framework for Flutter. It provides a system of reusable graphical widgets for creating interactive, customizable quantitative data visualizations. The framework supports a variety of chart types, including line, bar, pie, donut, scatter, radar, and candlestick views. It allows for the creation of complex visualizations such as layered data segments and financial charts. The library includes capabilities for interactivity and visual refinement, such as touch event handling, data tooltips, and state animations. It also provides tools fo

fl_chart is a charting library and data visualization toolkit for Flutter. It provides a collection of customizable widgets used to render datasets as visual graphics across mobile, web, and desktop platforms. The framework supports a variety of chart types, including line, bar, pie, scatter, radar, and candlestick charts. These tools enable the creation of data-driven dashboards and analytical reports, such as those used for tracking financial market trends and price movements.

Zinx is a lightweight TCP server framework written in Go that provides a structured foundation for building scalable network applications. It combines a goroutine-pool worker model for concurrency control with message-ID-based routing, enabling efficient packet dispatching to registered handler functions. The framework distinguishes itself through its modular plugin architecture, which organizes server components like routers, connections, and message modules as interchangeable plugins for extensibility. It uses packet-header length prefixing for reliable TCP stream framing, assigns a dedicat

Apache ECharts is a JavaScript data visualization library used for rendering interactive charts and complex data visualizations in web browsers. It functions as a canvas-based charting engine and a statistical data visualization suite that transforms datasets into visual representations. The framework provides specialized capabilities for three-dimensional data visualization, including the generation of 3D plots and globe visualizations. It also serves as a web-based geographic mapping tool for overlaying heatmaps, routes, and data distributions onto interactive maps. The library covers a br

WilliamChart is an Android data visualization library and toolkit used to render interactive charts and graphs within Android applications. It functions as a UI component library for integrating data-driven dashboards and metrics into Android layouts. The library includes a specialized component for representing proportional categorical data as donut charts, which are circular charts with hollow centers. It provides a drawing engine that uses low-level APIs to map numerical data to pixel coordinates on the screen.

Argilla is a collaborative AI feedback tool and data curation management system. It serves as a human-in-the-loop dataset platform designed to coordinate workforce annotators and domain experts in labeling, rating, and refining data samples for machine learning projects. The platform focuses on large language model dataset curation and reinforcement learning from human feedback workflows. It provides a shared workspace for integrating human expertise into AI development to validate model outputs and correct data errors. The system manages the end-to-end machine learning data pipeline, includ

crypto-signal is an automated cryptocurrency trading bot that generates buy and sell signals by running technical analysis on market data from multiple exchanges. The system is built around a config-driven signal pipeline that routes price data through a user-defined chain of indicators and thresholds, with analysis cycles triggered on a fixed schedule for continuous, hands-off monitoring. The project distinguishes itself through its modular, plugin-based indicator engine that allows technical analysis indicators to be added or removed without core changes, and its exchange-agnostic data laye

Baserow is a self-hosted, no-code relational database platform built on PostgreSQL. It provides a spreadsheet-like interface for structuring and managing data without writing code, while exposing all database resources via a REST API to support headless architectures. The platform distinguishes itself by integrating large language models and embedding servers to power AI assistants and automated data generation. It further extends its utility as a no-code application builder, allowing users to create custom internal portals, dashboards, and business tools using visual logic and managed data.

Hazelcast is a distributed data platform that combines an in-memory data grid with a stream processing engine to support real-time analytics and event-driven applications. It functions as a partitioned, distributed key-value store that replicates data across cluster nodes to provide low-latency access and high availability. The platform also serves as a distributed SQL query engine, allowing users to execute standard SQL statements against both in-memory datasets and external data sources. What distinguishes Hazelcast is its use of a distributed consensus subsystem to maintain strongly consis

Chartkick is a Ruby on Rails visualization library and JavaScript charting wrapper that provides a high-level interface for integrating interactive charts into web applications. It functions as a multi-engine charting adapter, wrapping various JavaScript charting libraries to provide a consistent API for rendering data visualizations. The project is distinguished by its engine abstraction, which allows users to switch between different JavaScript charting libraries without modifying the underlying data sources. It also supports asynchronous data visualization, fetching chart data from remote

Fava is a web-based dashboard and query tool for visualizing and analyzing financial records stored in Beancount plain-text ledger files. It serves as a double-entry bookkeeping viewer and plain-text accounting dashboard that renders ledger files as interactive reports, searchable financial tables, and visual tools for exploring balance sheets and income statements. The project distinguishes itself through a specialized BQL query interface that executes SQL-like queries against postings to extract specific financial data and trends. It includes a financial data visualization system for genera