TL;DR: If you are replacing Our World in Data, the closest options are Ello, Epsilon, Microverse. 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 Our World in Data (YC Winter 2019).
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The three closest alternatives to Our World in Data are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Ello | Building the world's first 1:1 AI teacher. | YC Winter 2020 | 45 | Active |
| Epsilon | AI Search Engine for Academic Research | YC Winter 2023 | 2 | Active |
| Microverse | Training and connecting untapped talent with global opportunities | YC Summer 2019 | 35 | Active |
| Juno College of Technology | Juno is the university of the future. | YC Summer 2019 | 30 | Active |
| ExceptionALLY | Affordable expertise for special needs parenting. | YC Summer 2018 | 3 | Inactive |
| Foreword | A marketplace for live, online workshops for professionals | YC Summer 2020 | 2 | Inactive |
| Pathrise | YC for your career | YC Summer 2017 | 55 | Inactive |
| Mentorcam | Mentorship from leaders of the world's best companies | YC Summer 2021 | 9 | Inactive |
| Koala | Minecraft for Teachers | YC Winter 2022 | 11 | Active |
| Avocademy | We teach UX/UI design and then help people get great jobs. | YC Winter 2022 | 6 | Active |
| Leada | Online enterprise training in data science and analytics.… | YC Summer 2015 | 1 | Inactive |
| Prendea | Live afterschool classes for Spanish-speaking kids ages 4 to 15. | YC Winter 2021 | 5 | Inactive |
It depends on your size. Ello is the closest match on what Our World in Data 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.
Our World in Data 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 Our World in Data 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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