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"HttpWatch is an integrated HTTP sniffer for IE and Firefox that provides new insights into how your website loads and performs."

In short: it integrates with the browser (currently Firefox and IE are supported) at a quite low level and monitors precisely how each network resource is loaded and processed (with timings and all) during the rendering of a webpage. It's partly similiar to the Net tab of Firebug, but provides a few extras that might be worth for you to buy this app (since HttpWatch is a commercial product). And for IE you've no full Firebug (just Firebug Lite) so this brings quite a tool to IE developers.

The easiest way to go is installing and starting Firefox. It lets you export/save a website's SSL certificate into a file just by clicking a button. If you don't have Firefox (or look for another method), then use OpenSSL as described in the article at lunarpages.com.

The website reports about all kinds of news in modern (call it Web 2.0 ) web development. This involves CSS, HTML, JavaScript, XML, browsers, JS libraries, web standards, etc. A good source of up to date info on RIA development.

I only knew of the Google Talk client application (that you can install on your PC) and the chat that is integrated into Gmail. But it seems Google has created a web UI for Google Talk and names it Google Talk Gadget. It provides now group chat functionality too, which I think is missing from the Gmail-integrated chat.

PS: there's a great Google blog on Google Talk related stuff. Thanks to airwin for the tip.

There's a list of links pointing to various free, anonymous HTTP proxy directories at OpenDirectory. Might come handy, when you have to test a website from various external addresses.

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in PHP and requires the MySQL database. The user interface is fully skinnable using XHTML and CSS 2.

Apart from the above promo, I've used it and it rocks. Setup is a piece of cake and despite of being only 0.1 RC1 (man ... I love OSS versioning ) it works pretty well. I've found only a small issue, but one can live with that.

Wikipedia has a comparison of webmail providers, although it is very short and lists only the biggest players. However in my country (Hungary) the three most popular are: Freemail, Citromail and Vipmail.

Recently I posted a list of free, one-click file-sharing services and a link to a Wikipedia comparison of them. This time it's about video-sharing. Here's the respective Wikipedia page.

There're now quite a lot file hosting websites where you can upload even huge files for free to share with others. Here's a short list just to name a few ...

Is there any viable (preferably open source) alternative to the mod_dav Apache module for providing a WebDAV server? I'd like to use Mozilla Lightning as a calendar application, but I also need to access it from multiple environments (office and home). It is a must-have requirement that I can store the calendar data on some networked server.