Best Self-hosted Alternatives to Slido

HeyForm is an open-source form builder for creating interactive, conversational forms such as surveys, questionnaires, quizzes, and polls. It provides a no-code interface to design forms, collect responses, and analyze results.

Key Features

• Conversational form experience with ready-made templates
• Wide range of field types, including file uploads and picture choices
• Conditional logic and URL redirections for dynamic flows
• Branding and theming controls, including custom CSS
• Response analytics (e.g., completion and drop-off rates)
• Export of submissions to CSV
• Integrations via webhooks and connections to external tools
• Embedding support via a dedicated embed library

Use Cases

• Customer feedback and satisfaction surveys for small businesses
• Lead capture and intake forms with conditional questions
• Quizzes, polls, and questionnaires for communities or events

HeyForm is suited for teams that want a modern form experience with customization and integrations, while keeping control over deployment and data. Its modular structure includes a server, web app, and reusable form rendering and embedding packages.

Claper is an open-source audience engagement platform that makes presentations interactive with real-time participation. It helps speakers collect live feedback while giving attendees an easy way to ask questions and respond during talks.

Key Features

• Live audience interactions such as polls, quizzes, and Q&A during an event
• Real-time feedback to help presenters adapt content while speaking
• Event reporting and data exports for post-event review
• Team collaboration to manage presentations and events together
• Multi-language user interface (includes English, French, German, Spanish, Dutch, Italian, Hungarian, and Latvian)

Use Cases

• Classroom engagement with quick quizzes and anonymous questions
• Corporate meetings to gather input and validate decisions via instant polls
• Conferences and live events to run interactive sessions and collect feedback

Limitations and Considerations

• Some hosted-plan features and limits (such as attendee caps and presentation size) may differ from a self-managed deployment

Claper is well-suited for educators, teams, and event organizers who want a lightweight, real-time interaction layer for presentations. It provides core engagement workflows while remaining deployable on your own infrastructure.

OpenSlides is a web-based presentation and assembly system for digitally organizing meetings, conferences, and committees. It helps manage agendas, motions, elections, and participant processes in one central place and supports projecting and running sessions.

Key Features

• Agenda planning and session management
• Motion and amendment management for assemblies
• Speaker list management for moderated discussions
• Digital elections and voting workflows
• Participant and user management for events and committees
• Presentation/projection support for running assemblies

Use Cases

• Party conventions, member assemblies, and congresses
• Board, committee, and council meetings with formal motions
• Conferences that require structured voting and election procedures

OpenSlides provides a focused toolkit for organizations that need reliable, structured processes for decision-making events, combining preparation, live session handling, and voting in a single web application.

Bitpoll is a Django-based web application for creating and running polls for dates, times, or general questions. It is focused on scheduling meetings and collecting availability while offering options for anonymity, registration, and privacy.

Key Features

• Create polls for full-day events, specific time slots, or general questions
• Support for anonymous votes or named voters; optional registration requirement
• Private events and invite-only polls with manually set or randomized URLs
• Custom classes for event types and flexible poll configuration
• Docker-ready deployment and manual install via Python virtualenv and Django
• Optional LDAP authentication integration and production-ready suggestions (uwsgi, translation compilation)

Use Cases

• Schedule group meetings by collecting participant availability across dates and times
• Run simple opinion or preference polls for teams, communities, or events
• Host invite-only event planning where only invited participants can vote

Limitations and Considerations

• Authentication options are limited out of the box (LDAP is mentioned); third-party OAuth/OIDC integrations require custom setup
• Production setup requires manual configuration of Django settings, database, and static asset handling; some system administration knowledge is recommended

Bitpoll is suitable for organizations needing a lightweight, self-hosted poll and scheduling tool with flexible privacy options. It integrates into existing infrastructure via LDAP and can be deployed using Docker or standard Django deployment practices.

mindwendel is a web application for running structured brainstormings and prioritizing ideas with teams. It provides anonymous, real-time idea capture, upvoting and lightweight planning features built with Elixir and Phoenix.

Key Features

• Real-time brainstorming board with live updates and drag-and-drop lanes
• Anonymous or optional-username participation and upvoting for ideas
• Labeling, clustering and filtering of ideas; comments on items
• Encrypted file attachments stored on S3-compatible backends (example: MinIO)
• AI-powered idea generation via OpenAI-compatible APIs (configurable, disabled by default)
• Export ideas to HTML or CSV and configurable automatic deletion of sessions for GDPR compliance
• Docker compose deployment and production-ready configuration with PostgreSQL and background job runner

Use Cases

• Run quick team ideation sessions and capture prioritized suggestions during workshops
• Collect and cluster solutions or feature ideas for product planning and retrospectives
• Facilitate anonymous feedback or lean-coffee style decision-making with voting

Limitations and Considerations

• AI idea generation depends on external OpenAI-compatible APIs and may incur usage costs; features are disabled by default
• Default configuration removes brainstormings after a retention period (30 days) which may not suit long-term archival unless adjusted

mindwendel is focused on fast, low-friction group ideation with simple moderation and export capabilities. It is suitable for teams that need ephemeral, privacy-conscious brainstorming with optional AI assistance.