sish VS Postform

• Open Source
  sish is open-source, allowing users to inspect, modify, and contribute to the project's codebase.
• Self-Hosted
  Users can host their own instance of sish, giving them complete control over their tunneling service and associated data.
• Simple Setup
  The installation and setup process for sish is straightforward, requiring minimal configuration to get started.
• Custom Subdomains
  sish allows users to utilize custom subdomains for their tunnels, enhancing branding and easier access.
• Security Features
  Built-in support for TLS and authentication options, ensuring that tunnels are secure and accessible only to authorized users.
• Portability
  sish supports multiple platforms, allowing it to be used in various environments such as local development, testing, or cloud deployment.

Possible disadvantages

• Self-Management
  Users need to manage their own server and configurations, which can require additional maintenance and oversight compared to managed services.
• Resource Consumption
  Hosting your own instance of sish requires computational resources, which could be a con if the service is heavily used.
• Complexity for Non-Developers
  Non-developers might find the setup and maintenance process challenging without prior experience in server management and configuration.
• Limited Community Support
  As a niche project, sish may not have as large of a community or as many resources available for troubleshooting as more popular alternatives.
• No Built-In Analytics
  Unlike some other tunneling services, sish does not provide built-in analytics or monitoring tools, requiring users to implement their own solutions.

• Simple Form Backend
  Postform provides a straightforward form backend service that allows developers to add form functionality to static websites without needing to write server-side code or manage a backend infrastructure.
• Easy Integration
  Integration is typically as simple as pointing your HTML form's action attribute to a Postform endpoint, making it very quick to set up for static sites, landing pages, and JAMstack projects.
• No Server-Side Code Required
  Postform eliminates the need to set up and maintain server-side code for handling form submissions, which is ideal for developers working with static site generators or simple HTML pages.
• Email Notifications
  Form submissions can be forwarded directly to your email, providing a convenient way to receive and manage responses without needing to log into a separate dashboard constantly.
• Spam Protection
  Postform includes spam filtering mechanisms to help reduce unwanted or bot-generated form submissions, saving users time on managing junk entries.

Possible disadvantages

• Limited Brand Recognition
  Postform is a lesser-known service compared to competitors like Formspree, Getform, or Basin, which means there may be fewer community resources, tutorials, and third-party integrations available.
• Feature Limitations on Free Tier
  Like many form backend services, Postform may impose restrictions on the number of submissions, forms, or features available on free or lower-tier plans, which could be limiting for growing projects.
• Vendor Dependency
  Relying on a third-party service for form handling means your forms are dependent on Postform's uptime and continued operation. If the service goes down or shuts down, your forms stop working.
• Limited Customization
  Compared to building your own backend, using Postform may offer limited options for custom processing logic, advanced validation, or complex workflows triggered by form submissions.
• Data Privacy Concerns
  Sending form data through a third-party service means your users' data passes through and is stored on external servers, which may raise privacy or compliance concerns depending on your industry or region.

• Self-hosted HTTP tunnels with SSH and Nginx

  A number of years ago, I created a fully open source (MIT) project called sish [0] that does just this. Sish is a SSH server written specifically for tunneling. You get all of the benefits of SSH, but also automatic TLS, a web console of... - Source: Hacker News / about 17 hours ago

• Best Ngrok Alternatives in 2025

  Sish is an SSH-based solution that is simple to deploy and use. - Source: dev.to / about 1 year ago

• Pico.sh (The ultimate SSH powered services for developers)

  We’re actually using Unix sockets as the underlying transport layer for this. We’re also not using sshd, we custom wrote our own daemon that’s entire job is tunneling. If you’re curious about this, you can find the project here:... - Source: Hacker News / over 1 year ago

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Tracking Postform since Feb 2022.