Hyvor Post vs Velane: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Hyvor Post and Velane — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Hyvor Post
HYVOR (Hyvor, SARL)
Privacy-first, open-source newsletter platform built on Hyvor Relay for simple, tracker-free email publishing.
Key features
- Privacy-First Delivery: Sends newsletters without user tracking or behavioral analytics, focusing on subscriber privacy and minimal data collection.
- Built-on Hyvor Relay: Uses Hyvor Relay — an open-source SMTP-based email API — to send mail through your own infrastructure for better deliverability control and scalability.
- Rich Embeds and Link Previews: Generates link previews and rich embeds via custom parsers and oEmbed; can scrape meta tags for link cards to enrich newsletter content.
- Open-Source Architecture: Distributed under the AGPL-3.0 license with separate frontend, backend, embed, and archive components to inspect, modify, and self-host the platform.
- Developer-Friendly APIs: Provides a developer-focused stack and integration points (Hyvor Relay and internal libraries) for customizing delivery, templates, and automation workflows.
- Scalable Email Sending: Designed to integrate with infrastructure capable of sending high volumes of emails (Relay aims for millions/day) while remaining observable and manageable.
- Modular Codebase: Clear repository layout (backend, frontend, embed, archive) enabling contributors to run the app locally via the HYVOR development environment and Docker tooling.
- Privacy-Oriented Defaults: Default settings and design choices prioritize no-tracking and minimal telemetry to align with privacy-conscious publishers and organizations.
- Privacy-first newsletter delivery with no tracking
- Built on Hyvor Relay — an open-source email API that uses SMTP
- Open-source codebase licensed under AGPL-3.0
- Repository split into backend, frontend, embed, and archive components
- Supports rich embeds and link previews (embed tooling / custom parsers / oEmbed)
- Developer-focused dev workflow (./run post in hyvor/dev environment)
- Docker-friendly components (Dockerfile present in related repos)
- Designed to interoperate with a self-hosted email stack (Relay/SMTP)
Best for
- Privacy-Focused Newsletters: Independent writers or organizations sending subscriber newsletters without tracking open rates or collecting behavioral data.
- Self-Hosted Email Infrastructure: Teams that want to send newsletters using their own SMTP infrastructure and avoid third-party email providers like SendGrid or Mailgun.
- Developer Integrations and Automation: Engineering teams building automated newsletter pipelines or custom sending logic using Hyvor Relay and Post's APIs and libraries.
- Rich Content Newsletters: Publishers who want automatic link previews and rich embeds in email issues to improve engagement and presentation of linked content.
- Open-Source Deployment and Contribution: Organizations that require an AGPL-licensed codebase to audit, extend, or host internally and contribute fixes or features upstream.
- Migration from SaaS Email Providers: Businesses seeking to move away from hosted transactional/newsletter services to a self-managed stack for cost control or privacy reasons.
- Blog-to-Newsletter Workflows: Bloggers using Hyvor's ecosystem (blogs, editor, and post) to create seamless publishing workflows that convert posts into newsletter issues.
- Running privacy-compliant newsletters for communities or businesses
- Integrating a self-hosted email API (Hyvor Relay) to power newsletters
- Developers building or customizing newsletter systems using open-source code
- Deploying a newsletter platform in environments requiring data control and no tracking
- Testing email sending and handling with a self-hosted SMTP-backed API
Velane
Velane
Open-source integration infrastructure for AI agents — 800+ OAuth-connected APIs, sandboxed runtimes, and dev/staging/prod promotion via MCP.
Key features
- 800+ OAuth Integrations: One connection lets agents call Salesforce, Stripe, Slack, HubSpot, Notion, GitHub, Linear, Zendesk and hundreds more via the Nango catalog.
- MCP-Native Interface: Agents connect to mcp.velane.sh and drive discovery, code generation, execution, and deployment through a single MCP server.
- Bun & Python Sandboxes: Every invocation runs in an isolated ephemeral runtime, so agent code can be tested safely without touching production state.
- Dev / Staging / Prod Environments: Promote workflows through three environments with agent-issued publish_snippet calls and stable versioned HTTP endpoints.
- Shared Credential Store: One OAuth connection per provider is reused across every team member's agent — no secret ever appears in code.
- Invocation Logs & Audit Trail: Per-tenant execution logs let agents call get_logs to debug failures and give teams a full audit history.
- Role-Based Access: Invoke, manage, and admin scopes control what each teammate's agent is allowed to do.
- Self-Host or Hosted: Run Velane on your own infrastructure under AGPL-3.0 or use the managed mcp.velane.sh endpoint.
Best for
- Agent-Built Stripe→HubSpot Automations: An agent in Cursor writes a Bun workflow that reads Stripe customers and pushes them into HubSpot, tests it in dev, and promotes to prod in one conversation.
- Solo Developer Shipping SaaS Integrations: A single developer wires up Slack, Notion, and GitHub actions without maintaining an OAuth backend.
- Multi-Tenant B2B Agent Products: A team runs Velane per tenant so each customer's agent has isolated credentials, sandboxes, and audit logs.
- Safe Refactors of Live Workflows: Deploy a new version of a workflow to staging, verify with logs, then roll to prod with instant rollback.
- MCP-First Prototyping: Prototype an entire integration pipeline from an IDE chat without spinning up backend infrastructure.