Many of these MPs have a sign up option so you can get their info straight from them, unfiltered by the MSM.
thewordmedia.org.uk/ Socialist newspaper.
Cat Smith- often overlooked but identified quite clearly as a Corbyn core supporter by Labourlist. She is Shadow Minister (Cabinet Office) Voter Engagement and Youth Affairs, and the Shadow Deputy Leader of the House of Commons. http://action.catsmith.co.uk
Andrew Gwynne, now head of the LP’s GE campaign, but with a long list of SC appointments and a decent voting record https://andrewgwynne.co.uk
Barry Gardiner, often makes mincemeat of Andrew Neil on trade matters www.barrygardiner.com/ and looks pretty active on real socialist issues.
Disabled Activists Against The Cuts http://dpac.uk.net
Useful list of affiliated LP organisations http://www.labour.org.uk/pages/affiliated-organisations￼
Frequent and clued up left leaning Twitter poster https://twitter.com/LabourEoin
Look up YOUR MP and how they vote: https://www.theyworkforyou.com
Look up Bills, motions, MPs and how parliament works http://www.parliament.uk
From their page “Public Whip is a project to watch Members of the United Kingdom Parliament, so that the public (people like us) can better understand and influence their voting patterns. We’re an independent, non-governmental project.” http://www.publicwhip.org.uk/index.php
What is a Union? http://www.equity.org.uk/about-us/what-is-a-union/
Will add more as I go 🙂