Freedom251 › Social Media Management Tools
Postmill
What Postmill is
Postmill is a web-based platform for publishing and managing social, chat, blog, and email channels from one composer. It supports more than 45 channels, including X, Instagram, LinkedIn, TikTok, YouTube, Discord, WordPress, Reddit, Threads, Pinterest, Telegram, Medium, and Mastodon. Users can generate or repurpose content with AI, schedule posts, publish automatically, and handle conversations through a social inbox. Approval workflows support content review. Analytics include daily snapshots, period-over-period trends, heatmaps, anomaly alerts, and competitor watchlists. Team tools include roles, multi-brand workspaces, and inbox assignment; security controls include encrypted secrets, official OAuth, SSO, and session control. Integrations include API, SDK, webhooks, Zapier, Make, n8n, and MCP. The design studio includes a full canvas, a five-track video timeline, and 36 generation studios. A free plan and 30-day trial are listed. Monthly paid plans are Starter at $9 per month, Pro at $29 per month, Team at $99 per month, and Agency at $249 per month. A self-hosted edition is free on your own hardware and AGPL-3.0 licensed.
Who it suits
Postmill suits individuals or teams managing publishing across social, chat, blog, and email channels. Its workflow, workspace, and inbox tools are relevant to organizations that need content approvals or multi-brand coordination.
What it does well
- Supports more than 45 channels
- AI content generation and repurposing
- Approval workflows and social inbox
- Advanced analytics features
- Free plan and self-hosted option
What to know first
- Starter covers one seat and three channels
- Team plan is $99 per month
- Agency plan is $249 per month
- Web platform only
Limits
The free plan is listed for 3 social channels. Starter costs $9 per month and includes 1 seat, 3 channels, and 100 posts per month.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Starter | billed monthly · 1 seat · 3 channels · 100 posts/mo | $9 a month |
| Pro | billed monthly · 3 seats · 10 channels · 2 brand kits · 5 GB storage | $29 a month |
| Team | billed monthly · 10 seats · 30 channels · 10 brand kits · 20 GB storage | $99 a month |
| Agency | billed monthly · 25 seats · 100 channels · 50 competitor slots · 100 GB storage | $249 a month |
| Self-Hosted | — | On request |
As postmill.ai lists them, read 28 Sept 2026. The maker's own page has the final word.
Getting started
- Visit https://postmill.ai/en.
- Choose the free plan or a monthly paid plan.
- Use the web platform to connect supported social, chat, blog, or email channels.
- Choose the self-hosted edition if you want to run it on your own hardware.
- Use the 30-day trial if you want to try a trial plan.
Verdict
Postmill combines multi-channel publishing with inbox, analytics, and team workflows. Compare the plan seat and channel limits with your needs, or consider its self-hosted edition.
Questions
Is Postmill free?
A free plan is listed, with 3 social channels. A self-hosted edition is also free on your own hardware and licensed under AGPL-3.0.
How much do the paid plans cost?
Monthly plans cost $9 for Starter, $29 for Pro, $99 for Team, and $249 for Agency.
Which platforms does Postmill support?
Postmill is a web platform. It supports more than 45 channels, including social, chat, blog, and email services.
Is Postmill open source?
Yes. Postmill is open-source software, and its self-hosted edition is AGPL-3.0 licensed.
What integrations does Postmill offer?
Listed integrations include API, SDK, webhooks, Zapier, Make, n8n, and MCP.
Does Postmill have a free trial?
Yes, a 30-day trial is listed.
Facts from Postmill's own pages
- Agency price
- Agency costs $249 per month for 25 seats and 100 channels. · postmill.ai, 28 Sept 2026
- AI key pricing
- AI runs on the customer's provider keys without per-seat AI fees or markup. · postmill.ai, 28 Sept 2026
- Analytics features
- Analytics include daily snapshots, period-over-period trends, heatmaps, anomaly alerts, and competitor watchlists. · postmill.ai, 28 Sept 2026
- Analytics level
- advanced · postmill.ai, 21 Sept 2026
- Approval workflow
- Yes · postmill.ai, 21 Sept 2026
- Company status
- Postmill AI is open-source software with every line public on GitHub. · postmill.ai, 28 Sept 2026
- Encryption certification
- The self-hosted platform is AGPL-3.0 licensed, with encrypted secrets at rest. · postmill.ai, 28 Sept 2026
- Free plan
- A self-hosted version is free on the user's own hardware. · postmill.ai, 28 Sept 2026
- Free trial
- The trial lasts 30 days and requires a card, but charges begin only after day 30. · postmill.ai, 28 Sept 2026
- Integrations
- Integrations include API, SDK, webhooks, Zapier, Make, n8n, and MCP. · postmill.ai, 28 Sept 2026
- Design capability
- The design studio includes a full canvas, a 5-track video timeline, and 36 generation studios. · postmill.ai, 28 Sept 2026
- Platforms and apps
- It supports social, chat, blog, and email channels in one composer. · postmill.ai, 28 Sept 2026
- Pro price
- Pro costs $29 per month. · postmill.ai, 28 Sept 2026
- Scheduled posts
- 100 · postmill.ai, 21 Sept 2026
- Security controls
- Security features include encrypted secrets, official OAuth, SSO, and session control. · postmill.ai, 28 Sept 2026
- Social accounts
- 3 · postmill.ai, 21 Sept 2026
- Social inbox
- Yes · postmill.ai, 21 Sept 2026
- Starter price
- Starter costs $9 per month. · postmill.ai, 28 Sept 2026
- Paid from
- 9 · postmill.ai, 21 Sept 2026
- Support level
- The Agency plan includes priority support. · postmill.ai, 28 Sept 2026
- Supported channels
- Postmill supports more than 45 channels, including X, Instagram, LinkedIn, TikTok, YouTube, Discord, and WordPress. · postmill.ai, 28 Sept 2026
- Supported networks
- X,LinkedIn,LinkedIn Page,Reddit,Instagram Business,Instagram Standalone,Facebook Page,Threads,YouTube,Google My Business,TikTok,Pinterest,Dribbble,Discord,Slack,Kick,Twitch,Mastodon,Bluesky,Lemmy,Farcaster,Telegram,LINE,Matrix,Nostr,VK,Medium,Dev.to,Hashnode,WordPress,ListMonk,Moltbook,Whop,Skool,MeWe,Tumblr,Pixelfed,PeerTube,Akkoma,Discourse,Friendica,GoToSocial,Misskey,Odysee,Sharkey · postmill.ai, 21 Sept 2026
- Team price
- Team costs $99 per month for a 10-seat team. · postmill.ai, 28 Sept 2026
- Teams and admin
- Team features include roles, approvals, multi-brand workspaces, and inbox assignment. · postmill.ai, 28 Sept 2026
Where Postmill stands on Freedom251
- Social Media Management Tools#27 of 145
- AI Social Media Management Software#14 of 39