TL;DR: If you are replacing The Centre for Effective Altruism, the closest options are No Lean Season, CodeNow, Women Who Code. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces The Centre for Effective Altruism (YC Winter 2017).
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The three closest alternatives to The Centre for Effective Altruism are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| No Lean Season | A bus ticket out of poverty | YC Winter 2017 | — | Inactive |
| CodeNow | Our mission is to diversify the talent pipeline of students who… | YC Winter 2014 | 2 | Active |
| Women Who Code | WWCode is a non profit that empowering diverse women to excel in tech. | YC Summer 2016 | 25 | Active |
| Immunity Project | The free HIV vaccine. | YC Winter 2014 | 11 | Active |
| DevColor | We give Black software engineers support they need to advance in tech. | YC Winter 2016 | 7 | Active |
| ACLU | Defender of rights and liberties | YC Winter 2017 | 501 | Active |
| New Incentives | Cash transfers that save lives. | YC Summer 2016 | 51 | Active |
| 80,000 Hours | An online guide that tells talented graduates how to maximise the… | YC Summer 2015 | 13 | Active |
| One Degree | One Degree is a nonprofit organization that makes it easy for… | YC Winter 2014 | 14 | Active |
| mRelief | mRelief has built an easy-to-use platform and web and text messaging… | YC Winter 2016 | 12 | Active |
| Bayes Impact | Tech nonprofit building the future of public services. | YC Summer 2014 | 11 | Active |
| SIRUM | SIRUM is a “match.com” for unused medicine. We connect institutional… | YC Winter 2015 | 15 | Active |
It depends on your size. No Lean Season is the closest match on what The Centre for Effective Altruism actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
The Centre for Effective Altruism is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to The Centre for Effective Altruism on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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