I love spreadsheets! I use them for almost any list that I need to make. There are now three (at least) free online spreadsheet services available. (If there are others, I will add them to this posting as I hear about them.)
EditGrid is one of the first web-based spreadsheets available . By being online it allows collaboration (group work) and access from any computer (for homework assignments). It is currently FREE and any spreadsheet can be locked by its creator, made accessible to the general public or kept private, or only shared with designated registered users (e.g., a group of students). In addition, it maintains a history of changes and who made the changes. While not showing exactly what was changed (as JotSpot does for text documents), this could be used to track contributions from different students.
Very cool. I teach a spreadsheet class in the Fall semester and may give EditGrid a try!
From the website:
Now Open! EditGrid finally announced public beta! The competition is keen here, with a number of strong players, including iRows, NumSum, Numbler, and ZohoSheet. Thanks Omar for the first review! We will make EditGrid the best web spreadsheet.
- See changes in real-time when someone modifies a spreadsheet. We call it RTU (real-time update).
- Full keyboard navigation. Well, almost.
- 135 functions: SUM(), STDEV(), COUNTIF(), VOLOOKUP() etc. Full support is not far away.
- Import from and export to common formats. Including MS Excel, CSV, Gnumeric and OpenOffice.org Calc.
- Access rights for every spreadsheet. Only share yours with those you have invited.
- Cross-browser support. Microsoft Internet Explorer 6.0+ and Mozilla FireFox 1.0+ fully supported. Coming soon: Safari.
- A nice "My Worksapce" for you to organise your spreadsheets.
NEW: iRows.com - Another Online Spreadsheet tool with similar features to EditGrid. You can also see their developer blog.
NEW (7 June 2006): Google Spreadsheet - not quite ready for everyone, but the reviews are starting to come out. This is from ZDNet:
- Pros: easy-to-use; free; auto-save; sharing function; lots of functions available ("You won't find many calculations that you can't perform"); imports Excel and CSV files "pretty well"; supports multisheet spreadsheets.
- Cons: no print function; no visualization tools (charts, graphs); no "conditional formatting"; no statistical and analysis tools; no pivot tables; no right-mouse options; no zoom; real-time collaboration and chat feature is cool but potentially confusing.
- According to their website you can "Simply copy and paste to publish your spreadsheets as interactive web sites. It only takes 30 seconds." - Data in the spreadsheet is public or private, and can be linked to a calendar or map view. Like most JotSpot products, a limited version is free, while more functionality, spreadsheets or people requires a paid subscription. (Warning: I have found that once you pay it is not that easy to stop the subscription!)
If your are a real geek (e.g., you run and manage your own server), then you might want to give wikiCalc a try, though they say it is still quite buggy. According to the wikiCalc website:
- The wikiCalc program is a web authoring tool for pages that include data that is more than just unformatted prose. It combines some of the ease of authoring and multi-person editing of a wiki with the familiar visual formatting and data organizing metaphor of a spreadsheet. It can be easily set up to publish to basic web server space accessed by FTP and there is no need to set up server-side programs like CGI. It can, though, run on a server and be used with nothing more than a browser on the client.\
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