Let's Fund is a crowdfunding site for rigorously vetted, high-risk, high-reward research and advocacy projects. Our analysis, based on the principles of Effective Altruism, allows anyone to donate as effectively as big foundations. Visit Lets-Fund.org to learn more.
Jane Street is a quantitative trading firm with a focus on technology and collaborative problem solving. We're always hiring talented programmers, traders, and researchers and have internships and fulltime positions in New York, London, and Hong Kong. No background in finance required.
Altruisto is a browser extension so that when you shop online, a portion of the money you pay goes to effective charities (no extra cost to you). Just install an extension and when you buy something, people in poverty will get medicines, bed nets, or financial aid.
Are you overwhelmed by a standardized test? Is your score not improving? Try 21st Night, an app available on mobile or desktop. Use it to master any problem and remember any concept. Free trial available.
Dr. Laura Baur is a psychiatrist with interests in literature review, reproductive psychiatry, and relational psychotherapy; see her website for more. Note that due to conflict of interest she doesn't treat people in the NYC rationalist social scene.
Giving What We Can is a charitable movement promoting giving some of your money to the developing world or other worthy causes. If you're interested in this, consider taking their Pledge as a formal and public declaration of intent.
80,000 Hours researches different problems and professions to help you figure out how to do as much good as possible. Their free career guide show you how to choose a career that's fulfilling and maximises your contribution to solving the world's most pressing problems.
Momentum aligns effective giving with your life. For example, when you eat out, automatically add 10% for people who need nutrition. Learn more here.

Support Slate Star Codex on Patreon. I have a day job and SSC gets free hosting, so don't feel pressured to contribute. But extra cash helps pay for contest prizes, meetup expenses, and me spending extra time blogging instead of working.
Triplebyte is building an objective and empirically validated software engineering recruitment process. We don’t look at resumes, just at whether you can code. We’ve had great success helping SSC readers get jobs in the past. We invite you to test your skills and try our process!
AISafety.com hosts a Skype reading group Wednesdays at 19:45 UTC, reading new and old articles on different aspects of AI Safety. We start with a presentation of a summary of the article, and then discuss in a friendly atmosphere.
Beeminder's an evidence-based willpower augmention tool that collects quantifiable data about your life, then helps you organize it into commitment mechanisms so you can keep resolutions. They've also got a blog about what they're doing here
The Charter Cities Institute is working on ways governments can set up special zones with unique legal institutions. Learn more about how this could help tackle problems from global poverty to climate change.
James Koppel Coaching teaches software engineers how to spend less time debugging and write robust future-proof code. We’ve helped SSC readers be more confident in design decisions and articulate in code reviews. Advanced Software Design courses offered live and online.
Cerebralab is a blog about programming, machine learning, statistics, and social dynamics.
Metaculus is a platform for generating crowd-sourced predictions about the future, especially science and technology. If you're interested in testing yourself and contributing to their project, check out their questions page
Seattle Anxiety Specialists are a therapy practice helping people overcome anxiety and related mental health issues (eg GAD, OCD, PTSD) through evidence based interventions and self-exploration. Check out their free anti-anxiety guide here
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MealSquares is a "nutritionally complete" food that contains a balanced diet worth of nutrients in a few tasty easily measurable units. Think Soylent, except zero preparation, made with natural ingredients, and looks/tastes a lot like an ordinary scone.
@Scott Alexander,
I hope to attend a bit, but I can’t stay long and will most likely miss the after party at Jupiter
I guess the meetup will have to take place without electricity, based on what I’ve been reading. =(
Time to reread a Canticle for Leibowitz, and maybe bring a robe or two?