R is an open source programing language designed for statistical analysis and parallel computing. R began its life as a research project at the University of Aukland, but has since expanded to become a collaborativly run open source project run by the GNU. R has libraries for data import, regular expression data splitting, and visualization of data. R can be run as either a script or as a working environment.

Transana is a free, open source program offered by the University of Wisconsin-Madison Center for Education Research for transcribing and analyzing large collections of video and audio data aimed at academic researchers. It enables users to manually transcribe in a variety of levels of detail, identify and access analytically significant sections of their data, manage collections, organize video clips into categories, apply keywords to sections or clips, generate graphical or textual reports, data mine and share markup.

MAXQDA is a commercial software package for facilitating qualitative and mixed methods research. It includes a graphical interface for organizing and categorizing data, and can import data in a wide variety of formats, including web formats, images, audio and video and spreadsheets. Data can be encoded in several ways, such as keywords, colours or symbols. It includes visualization and report generation.

twXplorer is a free, web-based tool for querying Twitter and exploring the search results based on common words, hashtags and commonly shared links. Each search brings up the 500 most recent tweets for that search term, and the tool permits users to save 'snapshots' for later analysis. twXplorer requires users to log in with their Twitter account.

Create polls, surveys and quizzes and get ratings/feedback on content from users. "All languages supported." The free version has fewer options.

At the paid levels there are design options such as customized branding and CSS control; collection options include 10k-50k (depending on purchased plan) of monthly participants and password restriction; and it is in the reporting methods that this program has the most depth: real-time results, charts, the ability to export responses and reports as Excel, PDF, Google Docs, CSV or XML, filtering options, text analysis, tagging, email notifications of new responses, and priority customer service. Also, you can add images, videos, and content from YouTube, Flickr, and Google Maps.

This works with Wordpress.

This was previously Surveydaddy and has been upgraded to Polldaddy.

PDFMiner is a Python tool for extracting information from PDFs (not only text, but also information about fonts, encoding, and layout.)

Zoomerang is online survey software. Users create and share their survey forms. It had the ability to export forms from Survey Monkey. It can be used for free but the paid plans include analysis tools. Zommerang is now part of Survey Monkey.

Wufoo is an online form builder with built-in analytics. Free users are allowed to create up to three forms with up to 10 fields. The forms created can be used for a variety of purposes like registration, research data collection, payment collection, etc. The data gathered can be analyzed inside Wufoo or exported to popular spreadsheet formats

RStudio is an integrated development environment (IDE) for R. It is available in both open source and consumer versions, and can run either on your desktop, or through a browser connected to RStudio Server. Features include syntax highlighting, code completion, smart indentation, and an interactive debugger.

Twapper Keeper lets users create an archive of tweets based on hashtag, keyword, or person, for them to review online. It was created in 2009 as a web application. It seems it is no longer available.