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TiddlyWiki is a reusable personal web notebook. It allows anyone to create personal hypertext documents that can be published on the Web, and also search and tag content. The developers write, "TiddlyWiki is designed to be non-linear, structuring content with stories, tags, hyperlinks, and other features. You can organise and retrieve your notes in ways that conform to your personal thought patterns, rather than feel chained to one preset organisational structure. You can use TiddlyWiki as a single file that you view and edit through any web browser, whether you are online or offline.

Code license: Open source, BSD
Last updated: 30 Oct 2014

Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for visualization, Protovis defines marks through dynamic properties that encode data, allowing inheritance, scales and layouts to simplify construction.

Code license: Open source, BSD
Last updated: 30 Oct 2014

Modest Maps is a small Javascript library for interactive tile-based maps that can display maps from external sources (e.g. OpenStreetMap, but not commercial layers like Google Maps), enable panning and zooming, and track the position of points based on XML data. It is designed to be lightweight and offer a minimal set of features, and therefore has less functionality than Leaflet, a similar tool.

Code license: Open source, BSD
Last updated: 24 Oct 2014

OpenLayers is a Javascript library that can display map tiles and markers loaded from any source in web browser. It provides an API for building rich web-based geographic applications.

Code license: Open source, BSD
Last updated: 21 Oct 2014

This JavaScript library can be used to create mobile-friendly interactive maps. It does not provide data to map, but can be used to map spatial data in GeoJSON format, or display tiles from other sources such as MapBox.

Code license: BSD
Last updated: 21 Oct 2014

Markdown is a text-to-HTML conversion tool for web writers. Markdown allows you to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML).

Code license: Open source, BSD
Last updated: 20 Sep 2014

OpenRefine (formerly Google Refine) is a tool for cleaning messy data (e.g. fixing inconsistencies), transforming it between different formats, and exploring data.

Code license: Open source, BSD
Last updated: 7 Sep 2014

epub-tools is a collection of Python tools for generating and managing epub documents from Word, RTF, DocBook, TEI and FictionBook.

Code license: BSD
Last updated: 7 Sep 2014

All Our Ideas is a research project that seeks to develop a new form of social data collection by combining the best features of quantitative and qualitative methods. Using the power of the web, we are creating a data collection tool that has the scale, speed, and quantification of a survey while still allowing for new information to "bubble up" from respondents as happens in interviews, participant observation, and focus groups.

Code license: Open source, BSD
Last updated: 20 Jun 2014

Mapstraction is a Javascript mapping abstraction library that supports all major mapping providers, dynamic provider switching, image overlay and base tiles, Point, Line, Polygon, GeoRSS, KML support.

Code license: BSD, Open source
Last updated: 16 Jun 2014

A software tool for the manipulation of audio recordings. Wavesurfer provides basic audio editing function, such as excision, copying, pasting, zero-crossing adjustment, and effects such as fading, normalization, echo, inversion, reversal, replacement with silence, and DC-removal.

Features:

Code license: BSD, Open source
Last updated: 16 Jun 2014

"ActionScript library for creating visualizations that run in the Adobe Flash Player"

Code license: BSD, Open source
Last updated: 16 Jun 2014

Pattern is a Python web mining module with tools for data retrieval (Google + Twitter + Wikipedia API, web spider, HTML DOM parser), text analysis (rule-based shallow parser, WordNet interface, syntactical + semantical n-gram search algorithm, tf-idf + cosine similarity + LSA metrics) and data visualization (graph networks).

Code license: BSD, Open source
Last updated: 16 Jun 2014

VIVO is an open source semantic web application originally developed and implemented at Cornell. When installed and populated with researcher interests, activities, and accomplishments, it enables the discovery of research and scholarship across disciplines at that institution and beyond. VIVO supports browsing and a search function which returns faceted results for rapid retrieval of desired information.

Code license: BSD, Open source
Last updated: 16 Jun 2014

Modernizr is a small JavaScript library that detects the availability of native implementations for next-generation web technologies, i.e. features that stem from the HTML5 and CSS3 specifications.

Code license: MIT License, BSD, Open source
Last updated: 16 Jun 2014

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

Code license: BSD, Open source
Last updated: 16 Jun 2014

"Sheetsee.js is a JavaScript library, or box of goodies, if you will, that makes it easy to use a Google Spreadsheet as the database feeding the tables, charts and maps on a website. Once set up, any changes to the spreadsheet will be auto-saved by Google and be live on your site when a visitor refreshes the page.
Using Google Spreadsheets as the backend database is awesome because it is easy to use, share and collaborate with." -- website

Code license: BSD, Open source
Last updated: 16 Jun 2014

Bokeh is a Python interactive visualization library for large datasets that natively uses the latest web technologies. Its goal is to provide elegant, concise construction of novel graphics in the style of Protovis/D3, while delivering high-performance interactivity over large data to thin clients.

Code license: BSD, Open source
Last updated: 16 Jun 2014
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