Jesse Rudman has a collection of a dozen-half Mozilla-friendly Web development bookmarklets, many of which also work in IE and Opera. Three work in Netscape 4.

Continuing on a Mozilla theme, the standalone mail client, Thunderbird, had its first milestone release today; Firebird 0.6.1 is coming; and Mozilla 1.5a is here. As soon as Firebird supports sidebars, I’ll be switching from Mozilla to a Firebird/Thunderbird combo.

And Monday’s Web development theme: simple forms. Adam Kalsey on simplify form errors and D. Keith Robinson’s Gorilla Web tip on better Web forms. Both pieces have some advice many sites would do well to heed.