8 Best Open Source Smartsheet Alternatives
A curated collection of the 8 best open source and self-hosted alternatives to Smartsheet in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Smartsheet in 2026? The top open-source alternative is Baserow — Open source no-code database & app builder.
Other highly rated open-source Smartsheet alternatives include Plane, Budibase and OpenProject.
Open source no-code database & app builder
Baserow is an open-source no-code platform that empowers teams to build custom databases and applications without writing code. Whether you're managing projects, tracking inventory, or creating workflows, Baserow provides the flexibility to structure data your way and build solutions tailored to your needs. - Database Builder: Create and manage relational databases with an intuitive interface. Structure, visualize, and manipulate data effortlessly. - Application Builder: Build custom applications without coding. Design interfaces, forms, and workflows to match your business processes. - Automations: Automate repetitive tasks with custom workflows. Connect triggers and actions to streamline operations and eliminate manual work. - Integrations: Extend functionality with third-party integrations. Connect Baserow to tools like Zapier, Make, and custom APIs. - Dashboards: Visualize data through dynamic charts and graphs. Create real-time dashboards to monitor key metrics and insights. - Security & Self-Hosting: Maintain full control over your data with self-hosting options. Ensure compliance with enterprise-grade security features. - Baserow AI: Enhance your data with AI-powered insights and automation. Leverage AI to analyze data, generate reports, and automate complex tasks. - Collaboration Tools: Work together with your team in real-time. Share databases, applications, and workflows securely. - Templates & Solutions: Access pre-built templates for common use cases across departments like HR, Marketing, Finance, and IT. Baserow is open-source and can be self-hosted using Docker, Kubernetes, or on bare metal. It supports PostgreSQL for data storage and offers a RESTful API for custom integrations. The platform is built with Python (Django) and Vue.js, ensuring scalability and performance. For cloud hosting, Baserow provides managed services with enterprise-grade security and compliance.
AI-native project management for teams and agents
Plane is an AI-native project management platform that unifies projects, documentation, and AI-powered workflows into a single workspace. Designed for both human teams and AI agents, Plane enables seamless planning, execution, and alignment across all levels of your organization. - Projects (Work): Flexible project management with initiatives, epics, cycles, and progress tracking to match any team's workflow. - Wiki: Built-in documentation system that ties company knowledge directly to the work that created it, ensuring it stays current and accessible. - Plane AI: AI agents that understand your work context, enabling tasks like progress summarization, triage, drafting, and automated actions across projects. - Desk (Coming Soon): Customer support integration that turns requests into trackable work items, routing them to the right teams automatically. - Multi-Deployment Options: Available as cloud-hosted, self-hosted, or air-gapped solutions to meet security and compliance requirements. - Enterprise-Grade Security: Designed for organizations with strict data control needs, including SOC 2 Type II compliance. Plane is built with a modern tech stack including React, TypeScript, and PostgreSQL. The self-hosted version is containerized using Docker and Kubernetes, making deployment straightforward for most environments. Air-gapped deployments are fully supported for maximum security. Documentation and community support are available for all deployment options.
Low-code platform for internal tools and AI agents
Budibase is a low-code platform designed to help businesses build internal tools, automate workflows, and deploy AI agents quickly. It connects to databases, APIs, and business systems, enabling teams to streamline operations without extensive coding. - AI Agents: Deploy AI-powered assistants to handle employee queries and automate tasks across multiple channels. - Internal Apps: Create custom internal tools for teams to manage processes, track work, and improve productivity. - Automations: Automate approvals, routing, notifications, and operational workflows with minimal setup. - Data Integration: Connect to databases, spreadsheets, and business systems like Salesforce, GitHub, and Notion. - API Explorer: Build, test, and manage APIs directly within the platform. - Enterprise-Grade Security: Features like audit logs, role-based access control, and compliance with industry standards. - Self-Hosting: Deploy on-premises or in your preferred cloud environment for full data control. - Collaboration Tools: Share apps, automate workflows, and collaborate across teams with built-in tools. Budibase supports self-hosting on various platforms, including Docker, Kubernetes, and cloud providers. It is built with Node.js and offers flexibility for deployment in environments that prioritize data privacy and security. The platform is designed to be scalable, making it suitable for businesses of all sizes, from SMEs to large enterprises. For developers, Budibase provides an open-source core with extensive customization options, while enterprises can leverage advanced features and dedicated support.
Open source project management for agile & hybrid teams
OpenProject is a robust open-source project management solution designed for teams of all sizes. It supports classic, agile, and hybrid project management methodologies, offering features like Gantt charts, Kanban boards, task management, time tracking, and cost reporting. - Flexible Project Management: Supports classic, agile (Scrum/Kanban), and hybrid methodologies - Gantt Charts: Visual project planning and scheduling - Task Management: Issue tracking and work package management - Team Collaboration: Built-in wiki, forums, and document sharing - Time Tracking & Reporting: Monitor project progress and resource allocation - Custom Workflows: Adaptable to your team's specific needs - Integrations: Connects with Nextcloud, GitHub, GitLab, and more - Security & Privacy: GDPR compliant with self-hosting options - Open Source: Available under GPLv3 license - Self-Hosting: Deployable on-premises or in private clouds - System Requirements: Supports Linux, Docker, and cloud deployments - Database: PostgreSQL recommended - Scalability: Suitable for small teams to large enterprises
Open-source project management for ADHD brains
Leantime is a free, open-source project management tool designed to support neurodiverse teams, particularly those with ADHD or ADD. Built with simplicity and accessibility in mind, it helps streamline tasks, improve focus, and enhance collaboration without overwhelming users. - Neurodiversity-Friendly Design: Tailored for ADHD and ADD brains with intuitive workflows and minimal distractions. - Task Management: Simplified task tracking with Kanban boards, timelines, and progress tracking. - Goal Setting & OKRs: Built-in tools for setting and tracking objectives and key results. - Time Tracking: Integrated time tracking to monitor productivity and project progress. - Collaboration Tools: Team collaboration features including comments, file sharing, and real-time updates. - Customizable Dashboards: Personalize your workspace with drag-and-drop widgets and layouts. - Self-Hosting: Full control over your data with self-hosting capabilities. - Open Source: Free to use, modify, and distribute under the AGPL-3.0 license. Leantime is built with PHP and MySQL, making it easy to deploy on most web servers. It supports Docker for simplified self-hosting and can be installed on shared hosting, VPS, or cloud platforms. The project provides comprehensive documentation for setup and customization, ensuring a smooth deployment experience.
Free and open source project management tool
Worklenz is a free and open-source project management tool designed to streamline team collaboration, task tracking, and resource management. Built for efficiency, it offers powerful features to help teams organize projects, monitor progress, and optimize workflows. - Task Management: Organize and track tasks with powerful collaboration tools and complete transparency - Resource Management: Optimize team allocation and resource utilization across projects - Time Tracking: Track time spent on tasks and projects with precision analytics - Timesheets: Manage and approve team timesheets effortlessly - Project Templates: Standardize project structures with customizable templates - Task Templates: Create reusable templates for efficient workflows - Client Portal: Provide clients with real-time project visibility and updates - Project Finance: Track project budgets, costs, and financial performance - Team Utilization Analytics: Monitor and optimize team capacity and workload distribution - Analytics Dashboard: Gain insights with comprehensive project and team analytics Worklenz is open-source and can be self-hosted for complete data control. The platform is built with modern web technologies and offers cloud-based deployment options for teams that prefer managed solutions. The source code is available on GitHub under an open-source license.
Open-source agile project management tool
Taiga is a free and open-source project management tool built for agile teams seeking simplicity and effectiveness. Designed with an intuitive user interface, Taiga enables teams to plan, track, and collaborate on projects without complex setup or training. - Kanban & Scrum Boards: Flexible workflows with customizable boards, swimlanes, and WIP limits - Epic & Sub-task Management: Organize large projects into manageable components - Extensive Filtering & Search: Quickly locate tasks and user stories - Team Collaboration: Daily stand-ups, progress tracking, and transparent communication - Insight & Analytics: Real-time visibility into project status and resource allocation - Multi-language Support: Translated into over 20 languages - Self-hosting Capabilities: Full control over data with customizable installations - Workflow Customization: Adapt Taiga to fit your team's specific agile methodology Taiga is 100% open-source and available as both a cloud-hosted solution and a self-hosted option. The self-hosted version provides unparalleled security and control, allowing teams to customize their installation and update easily. Deployment options include Docker, Kubernetes, and traditional server setups. The project is actively maintained with regular updates and community contributions.
Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations
AITable.ai is a visual database and workflow automation platform that simplifies data organization and task automation for personal and enterprise use. It combines spreadsheet-like interfaces with database functionality, AI-powered analytics, and seamless integrations with over 6,000 apps via Zapier, Make, Pabbly, Activepieces, and Albato. - Visual Database Interface: Hybrid spreadsheet-database UI for intuitive data management - 6,000+ App Integrations: Connect with tools via Zapier, Make, Pabbly, Activepieces, and Albato - AI-Powered Analytics: Business Intelligence Copilot for data analysis and visualization - Automated Forms: One-click form creation with customizable pre-filled content for lead tracking - Workflow Automation: Code-free automation for repetitive tasks (Slack messages, emails, etc.) - AI Writing Assistant: Generate high-quality content for emails, ads, blogs, and more - Multi-View Workspaces: Organize work in lists, boards, tables, calendars, or mind maps - AI Customer Service Agent: Build custom ChatGPT-powered chatbots for support and sales AITable.ai is a cloud-based SaaS platform with no self-hosting option currently available. It offers API access for custom integrations and provides enterprise-grade security features.
About Smartsheet
Smartsheet is a cloud-based work management platform designed to help teams plan, track, automate, and report on work at scale. It combines the familiarity of spreadsheets with powerful project management, collaboration, and automation tools to streamline complex workflows.
Key Features of Smartsheet
- Project & Portfolio Management: Plan, track, and manage projects, portfolios, and resources with Gantt charts, timelines, and dashboards.
- AI-Powered Automation: Automate repetitive tasks, generate insights, and enhance decision-making with built-in AI capabilities.
- Team Collaboration: Real-time collaboration with shared workspaces, comments, and file attachments.
- Customizable Dashboards: Create interactive dashboards and reports to visualize project progress and KPIs.
- No-Code Work Apps: Build custom work applications without coding to tailor the platform to specific business needs.
- Integrations: Connect with 100+ tools including Slack, Microsoft Teams, Google Workspace, and Salesforce.
- Digital Asset Management: Centralize and manage digital assets with advanced search and organization tools.
- Security & Compliance: Enterprise-grade security with SOC 2, GDPR, and HIPAA compliance.
Tech / Self-Hosting
Smartsheet is a fully managed cloud-based SaaS platform. It does not offer self-hosting options. The platform is accessible via web browsers and mobile apps, with APIs available for custom integrations.