The Woman Astronomer
Society, People, Women, Science and Technology - The Woman Astronomer. Newsletter that promotes women's role in astronomy, now, in the past, and in the future.
https://www.womanastronomer.com/
Science and Technology
A world-wide, online community of web designers, developers and programmers. Site has a free newsletter.
Wise-Women: An international online community of women web designers, developers and programmers
https://www.wise-women.org/
The Association for Women in Mathematics (AWM)
Society, People, Women, Science and Technology - Association for Women in Mathematics. A nonprofit organization dedicated to encouraging and promoting women and girls in the mathematical sciences including pure and applied mathematics and statistics.
https://www.awm-math.org/