Open source focus
Open Source Alternatives to Plai
60 open source Web Search options similar to Plai, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Raindrop40AI Search EngineMoscow, Russia$32.8MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Readwise Reader25Consumer AppRaleigh, United StatesOpen source
Omnivore23Consumer AppOpen source · Self-hostable
- Aibest8AI Search Engine
Open source
EvolvinglabAgentic AIOpen source
JobcontextAI Search EngineSan Francisco, United StatesOpen source
- WiretensorsAI Search Engine
Open source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Artificial Societies55Agentic AISan Francisco, United States$4.8MOpen source
Anon53Agentic AI$6.5MOpen source
Brave Search API52AI Search EngineSan Francisco, United StatesOpen source
Zed46Agentic AISan Francisco, United States$95.5MOpen source
Recall AI46Personal AISan Francisco, United States$10.3MOpen source
Noumena AI35Agentic AIתל אביב - יפו, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Smartkookie28ParentingLondon, United KingdomOpen source
Melodocs18Foundation ModelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
OpenTools10AI Tool MarketplaceSan Francisco, United StatesOpen source
MCP.so10Developer ToolsOpen source · Self-hostable
- Drawer7Agentic AISan Francisco, United States
Open source
2focus6ProductivityOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
AstertrackerWeb SearchOpen source
ParcoreAnalytics PlatformOpen source
ThedeependConsumer AppOpen source
CybernomicFoundation ModelOpen source
CenmorFoundation ModelOpen source
Loop IqAI Tools & AppsOpen source
- ThripFoundation Model
Open source
Tosly.onlineAgentic AIOpen source
BieniekAgentic AIOpen source
HainexusFoundation ModelOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
KeyboardsignalGenerative AIOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
WebmlAgentic AIOpen source
CreditreminderFintechOpen source
Hyve5Web SearchOpen source
IntellaiGenerative AIOpen source
AdvostackAI Search EngineOpen source
NewserNews AggregationOpen source
DowjoFoundation ModelOpen source
F SiteWeb SearchOpen source
CiteranksAI Search EngineOpen source
BarakudaInnovation LabOpen source
OnguideConsumer AppOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
WulverstoneFoundation ModelOpen source
BiblelensAI Search EngineOpen source
HabitaproAgentic AIOpen source
UseacreAI Search EngineOpen source
OlfiqWeb SearchOpen source
JayslistDiscovery PlatformOpen source
eToro85FintechLimassol, Cyprus$524.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Raindrop | AI Search Engine | Open source | Moscow, Russia | $32.8M | 40 | |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 | |
| Readwise Reader | Consumer App | Open source | Raleigh, United States | — | 25 | |
| Omnivore | Consumer App | Open source · Self-hostable | — | — | 23 | |
| AI Search Engine | Open source | — | — | 8 | ||
| Evolvinglab | Agentic AI | Open source | — | — | — | |
| Jobcontext | AI Search Engine | Open source | San Francisco, United States | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 | |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 | |
| Artificial Societies | Agentic AI | Open source | San Francisco, United States | $4.8M | 55 | |
| Anon | Agentic AI | Open source | — | $6.5M | 53 | |
| Brave Search API | AI Search Engine | Open source | San Francisco, United States | — | 52 | |
| Zed | Agentic AI | Open source | San Francisco, United States | $95.5M | 46 | |
| Recall AI | Personal AI | Open source | San Francisco, United States | $10.3M | 46 | |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 35 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Smartkookie | Parenting | Open source | London, United Kingdom | — | 28 | |
| Melodocs | Foundation Model | Open source | — | — | 18 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| OpenTools | AI Tool Marketplace | Open source | San Francisco, United States | — | 10 | |
| MCP.so | Developer Tools | Open source · Self-hostable | — | — | 10 | |
| Agentic AI | Open source | San Francisco, United States | — | 7 | ||
| 2focus | Productivity | Open source | — | — | 6 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Astertracker | Web Search | Open source | — | — | — | |
| Parcore | Analytics Platform | Open source | — | — | — | |
| Thedeepend | Consumer App | Open source | — | — | — | |
| Cybernomic | Foundation Model | Open source | — | — | — | |
| Cenmor | Foundation Model | Open source | — | — | — | |
| Loop Iq | AI Tools & Apps | Open source | — | — | — | |
| Foundation Model | Open source | — | — | — | ||
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Bieniek | Agentic AI | Open source | — | — | — | |
| Hainexus | Foundation Model | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Keyboardsignal | Generative AI | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Webml | Agentic AI | Open source | — | — | — | |
| Creditreminder | Fintech | Open source | — | — | — | |
| Hyve5 | Web Search | Open source | — | — | — | |
| Intellai | Generative AI | Open source | — | — | — | |
| Advostack | AI Search Engine | Open source | — | — | — | |
| Newser | News Aggregation | Open source | — | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| F Site | Web Search | Open source | — | — | — | |
| Citeranks | AI Search Engine | Open source | — | — | — | |
| Barakuda | Innovation Lab | Open source | — | — | — | |
| Onguide | Consumer App | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Wulverstone | Foundation Model | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Habitapro | Agentic AI | Open source | — | — | — | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Olfiq | Web Search | Open source | — | — | — | |
| Jayslist | Discovery Platform | Open source | — | — | — | |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 |