
The UK Resource Centre for Women in SET tackles women's under-representation in the science, engineering and technology (SET) community. The GetSET women blog has some great profiles of women in interesting careers and there are many events and training opportunities.
The WISE Campaign encourages young women to stick with studying Maths and Physics and to consider careers in Science, Engineering and The Built Environment. Has useful news and links.
Equalitec seeks to address gender inequality in the Information Technology, Electronics and Communications (ITEC) industries. It has some downloadable career guides, events and resources.
Women in Technology has a great blog as well as jobs, careers advice and (mainly London based) events.
Cambridge AWiSE is a regional network for women in SET in both industry and academia. It has an excellent links and resources page with details of other networks and information on grants for further study.
There are lots of people and organisations worth following on twitter too. Sarah Blow, founder of Girl Geek Dinners (@girlygeekdom on Twitter) has created two particularly useful twitter lists: womenset and womensetcontd.
Finally, Imperial College London has a created 100 Women 100 Visions a series of portraits about women doing interesting things in science, technology, engineering and medicine.
Let us know if you come across any other useful links, resources, or tweeps to follow.