atomstr converts RSS and Atom feeds into Nostr events by fetching feed content and publishing it through the protocol.
Open source
24 alternatives210Maxi
210Maxi relays Nostr events only when their content is 210 characters or fewer.
About 210Maxi
210Maxi is an open-source Nostr relay that accepts only events whose content is 210 characters or fewer. The project describes it as suitable for NIP-B1 feeds. For kinds 25 and 1111, the check counts characters rather than bytes. The relay also supports NIP-50 search over the events it accepts.
The relay is deployed with Docker, either from a prebuilt image or with the Docker Compose file in the project directory. Operators set the relay name, owner public key, description, URL, icon, banner, contact URL, working directory, and port through environment variables. The software is published under the MIT License. Pricing is not stated in the source.
Key features
- Accepts only events with content of 210 characters or fewer
- Limits accepted event kinds to those accepted under NIP-B1
- Checks kinds 25 and 1111 for a 210-character limit
- Supports NIP-50 search on 210-character events
- Prebuilt Docker image and Docker Compose deployment options
- Relay name, description, icon, banner, and contact set through environment variables
Best for: Operators who want to run a Nostr relay that stores only short posts suited to NIP-B1 feeds.
Good for
- Released as open source under the MIT License
- Can be run from a prebuilt Docker image or with Docker Compose
- Relay metadata can be configured through environment variables
Watch out for
- Accepts only the event kinds accepted under NIP-B1
- Rejects events whose content exceeds 210 characters
210Maxi at a glance
- Category
- Social & Communities › Nostr
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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210Maxi FAQ
How is the 210-character limit measured?
The relay checks kinds 25 and 1111 for at most 210 characters. The check counts characters, not bytes.
How can the relay be started?
The project provides a prebuilt image, dezhtech/210maxi, which can be pulled and run with Docker. It also includes a compose.yml file for deployment with Docker Compose.
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