Open-source alternatives to What's Trending
Looking to replace What's Trending with something free and open-source? These 4 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.
At a glance: how they compare
Click a column to sort — the best one depends on what matters to you.
| Alternative | Stars | Language | License | Last commit | In one line |
|---|---|---|---|---|---|
| TrendRadar | — | — | GPL-3.0 | — | Public-opinion and trend monitor across many platforms at once, self-hosted, with alerting built in. |
| Agent-Reach | — | — | MIT | — | Gives an agent the ability to read and search the open web, so you can build the monitoring you want rather than buy it. |
| last30days-skill | — | — | MIT | — | Researches any topic across Reddit, X and YouTube over a rolling window, as an agent skill. |
| Folo | — | — | AGPL-3.0 | — | AI-assisted RSS reader for following sources yourself, with no third party holding the feed. |
Which one should you pick?
TrendRadar
Public-opinion and trend monitor across many platforms at once, self-hosted, with alerting built in. Its GPL-3.0 license keeps the project and its forks open-source forever, and commercial use is allowed. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Agent-Reach
Gives an agent the ability to read and search the open web, so you can build the monitoring you want rather than buy it. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
last30days-skill
Researches any topic across Reddit, X and YouTube over a rolling window, as an agent skill. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Folo
AI-assisted RSS reader for following sources yourself, with no third party holding the feed. Its AGPL-3.0 license keeps the project and its forks open-source forever, and commercial use is allowed. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Switching from What's Trending without the drama
- Export your data from What's Trending first — most tools above can import standard formats.
- Run your top pick in parallel for a week or two before committing; self-hosted options can be tried locally in minutes.
- Migrate one team or one project at a time, keeping the old account read-only until everything checks out.
FAQ
What is the best open-source alternative to What's Trending?
The top open-source alternative is TrendRadar — Public-opinion and trend monitor across many platforms at once, self-hosted, with alerting built in. The full ranked list is above.
Are these What's Trending alternatives free?
Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.
Can I self-host an alternative to What's Trending?
Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.
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