Open Source Alternatives to Prelap
60 open source Voice AI options similar to Prelap, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Coqui48Voice AIBerlin, Germany$2.0MOpen-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
Vocode50Open SourceSan Francisco, United States$3.8MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Trigger Device Inc59AI AgentsLondon, United Kingdom$16.5MAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
KiloClaw54Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Comfy Org53AI Image Generation$30.0MComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Auto-GPT53Agentic AI$12.0MOpen-source autonomous AI agent platform that automates complex digital workflows.
Open source · Self-hostable
All-Hands AI49Agentic AIBoston, United States$5.0MAn open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
Bubble Lab45Artificial IntelligenceOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
cal.com41Scheduling SoftwareBerlin, GermanyOpen-source scheduling infrastructure for individuals, businesses, and developers.
Open source · Self-hostable
- BABabyAGI17Agentic AI
Experimental open-source framework for building self-building autonomous agents with a novel function framework.
Open source · Self-hostable
LLMStack15Agentic AIOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
- AGAgent Pilot13Agentic AI
An open-source platform for creating, managing, and interacting with AI workflows and agents.
Open source · Self-hostable
Talkcan7Open SourceAn open-source programmable walkie-talkie for routing voice through configurable channels.
Open source
Kaos Control7Developer ToolsAn open-source lifecycle management tool delivered as a single Go binary to guide ideas through capture, requirements, planning, development, testing, and release.
Open source
Openfigs7Agentic AIThe open skeleton for one back-office AI employee, a focused agent you clone, not install.
Open source · Self-hostable
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
- GEGeniA6Agentic AI
Open-source AI platform engineering team member for production environments, automating tasks and learning tools.
Open source · Self-hostable
- Openfigs6Agentic AI
The open skeleton for one back-office AI employee, a focused agent you clone, not install.
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
H2O.ai64Foundation ModelMountain View, United States$228.1MAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
Open source · Self-hostable
Vanna AI57Agentic AINew York, United States$2.5MAn open-source AI-powered SQL agent for natural language database interaction and data insights.
Open source · Self-hostable
Mem056Agentic AISan Francisco, United States$24.0MPersistent memory layer for AI agents and applications.
Open source · Self-hostable
Liblab55Developer ToolsAustin, United States$42.0MSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
Open source · Self-hostable
DVC54MLOpsSan Francisco, United States$154.0MOpen-source platform for ML experiment tracking and data versioning.
Open source · Self-hostable
Feast AI54MLOpsSan Francisco, United StatesAn open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
LiteLLM53Foundation ModelSan Francisco, United StatesAn open-source Python library providing a unified interface for interacting with various LLM providers.
Open source · Self-hostable
Ollama52Foundation ModelSan Francisco, United States$65.0MRun large language models locally on your machine.
Open source · Self-hostable
RelAI51Agentic AISan Francisco, United States$10.0MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
Visual Layer50DatabaseTel Aviv, Israel$7.0MAI-powered database for visual data, enabling intelligent search and analysis of images and videos.
Open source · Self-hostable
Kestra49Data OrchestrationParis, France$36.0MAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
GitHits45Developer ToolsHelsinki, Finland$1.5MThe Google of code search for open-source.
Open source · Self-hostable
SmythOS45Agentic AISan Francisco, United StatesOpen-source AI operating system for launching and scaling specialized AI agent networks.
Open source · Self-hostable
PromptQL45Artificial IntelligenceSan Francisco, United StatesAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Nango40API PlatformUnknown, UnknownNango is an open-source platform for product integrations that provides a unified API for connecting to over 500 services and supports tool-calling for AI agents.
Open source · Self-hostable
Cua39AI AgentSan Francisco, United States$500KCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
LlamaIndex Inc.39Foundation ModelSan Francisco, United StatesCompany
Open source · Self-hostable
Superagent35Agentic AISan Francisco, United StatesOpen-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.
Open source · Self-hostable
Mycroft35Voice AIKansas City, United States$121.5MOpen-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
OpenClaw34Agentic AISan Francisco, United StatesOpen-source AI agent framework for automating tasks across messaging platforms and software systems.
Open source · Self-hostable
Amplication33EnterpriseTel Aviv, IsraelOpen-source Node.js backend development platform for accelerating application development.
Open source · Self-hostable
Langflow32Agentic AILisbon, PortugalLow-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.
Open source · Self-hostable
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
CAMEL-AI.org27Agentic AIOpen-source community discovering scaling laws of intelligent agents for data generation, world simulation, and task automation.
Open source · Self-hostable
Swagger26API DevelopmentSomerville, United StatesA suite of open-source and professional tools for API design, development, documentation, and testing.
Open source · Self-hostable
Parlant26AI AgentsTel Aviv, IsraelParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
Kantu26Workflow AutomationOpen-source browser extension and RPA software for automating web and desktop workflows.
Open source · Self-hostable
MLflow25MLOpsSeattle, United StatesOpen-source platform for managing the ML lifecycle, from experimentation to deployment.
Open source · Self-hostable
Inconvo25Agentic AIUnknown, UnknownInconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.
Open source · Self-hostable
Kilo Code24Agentic AISan Francisco, United StatesOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
- Pomvox21Voice AI
Press a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.
Open source
Apache Airflow20MLOpsOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
Camunda Pte. Limited20Workflow AutomationBerlin, GermanyCamunda provides an open-source process automation platform for orchestrating human and system workflows.
Open source · Self-hostable
Upsonic19Developer ToolsLondon, United KingdomOpen-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations.
Open source · Self-hostable
API Platform16API PlatformParis, FranceOpen-source framework for building and documenting APIs with a focus on developer experience.
Open source · Self-hostable
Maige13Open SourceOpen-source infrastructure for automating natural language workflows directly on your codebase.
Open source · Self-hostable
Velorn12AI Video GenerationAI-native video editing and generative production tools built around a creative timeline.
Open source

