On the recordRead 12 Oct 202623 facts
Hollo
Plans and prices
Free, open source, and self-hosted
Free
Self-hosted · single-user focused
Read 12 Oct 2026 · docs.hollo.social
On the record
- Accounts
- One instance can host multiple accounts, which users can switch between.docs.hollo.social · read 12 Oct 2026
- Audience
- Hollo is designed for individual users and personal microblogs, notes, and journals; it can host multiple accounts on one instance.docs.hollo.social · read 5 Oct 2026
- Client access
- Hollo has no web app of its own and provides a Mastodon-compatible API for use with Mastodon clients.docs.hollo.social · read 12 Oct 2026
- Client API
- Hollo is headless and implements the Mastodon API, so users interact through compatible client apps rather than a built-in web interface.docs.hollo.social · read 5 Oct 2026
- Client limitations
- The tested-client notes say Elk does not support emoji reactions and treats quotes as write-only; Phanpy reactions are read-only.docs.hollo.social · read 5 Oct 2026
- Client support
- The maker lists tested web, Android, and iOS clients, including Phanpy, Moshidon, Mona, and Woolly, while noting some client features may not work as expected.docs.hollo.social · read 5 Oct 2026
- Core features
- Hollo supports hashtags, mentions, media attachments, polls, sharing and favoriting posts, and Misskey-style emoji reactions.docs.hollo.social · read 5 Oct 2026
- Deployment
- Hollo can be deployed to Railway, with Docker, or manually on a server.docs.hollo.social · read 5 Oct 2026
- Federation
- Hollo implements ActivityPub and interoperates with Mastodon, Misskey, Akkoma, WordPress, and Threads.docs.hollo.social · read 12 Oct 2026
- Installation
- The maker documents deployment through Railway, Docker, or manual installation from source.docs.hollo.social · read 12 Oct 2026
- License
- Hollo is distributed under the GNU Affero General Public License version 3 or later.docs.hollo.social · read 12 Oct 2026
- Notable limitation
- Hollo is designed for single-user instances and omits moderation tools intended for shared instances.docs.hollo.social · read 12 Oct 2026
- Posting features
- Hollo supports polls, media attachments, hashtags, mentions, FEP-044f quote posts, and Misskey-style emoji reactions.docs.hollo.social · read 12 Oct 2026
- Privacy controls
- Hollo can proxy or cache remote media through its own origin, with SSRF checks and a 32 MiB body cap in proxy and cache modes.docs.hollo.social · read 5 Oct 2026
- Product
- Hollo is a single-user federated microblogging tool for running a personal server.docs.hollo.social · read 5 Oct 2026
- Quotes
- Hollo supports FEP-044f-compliant quotes in Misskey-style and Mastodon-style implementations.docs.hollo.social · read 5 Oct 2026
- Requirements
- Hollo requires PostgreSQL and a place to store media.docs.hollo.social · read 12 Oct 2026
- Security
- Hollo supports passkeys, TOTP two-factor authentication, OAuth 2.0 with PKCE, and CSRF protection on cookie-authenticated routes.docs.hollo.social · read 12 Oct 2026
