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[category: ai search][verified alternatives][no votes, no pay-to-list]

Free and open source alternatives for AI search

5 free or open source projects taken from the pages of 1 paid apps in this category. For each one: how many it replaces, how much subscription it cancels, what it costs to run.

free alternatives
5
$/month replaceable
20
already self-hosted
5
apps covered
1

5 alternatives

The value is the sum of the prices of the apps that project replaces — including outside this category, because a good alternative rarely serves only one.

49 $ /mese

Vane open source ★ 36k active [docker] web · self-hosted

Perplexity with the meter removed: cited answers and deep research, provided you can run one Docker stack.

the 4 apps it replaces · 49 $/month

Three ways out of the subscription: 1. you keep paying (49 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Perplexity 20 $/m KIND OF Writesonic 20 $/m KIND OF KoalaWriter 9 $/m KIND OF Content at Scale — NOT REALLY

source code · verificata il 2026-08-06

20 $ /mese

Khoj open source ★ 36,3k active [ops] web · self-hosted · macOS · Windows · Linux · iOS · Android

A personal AI that searches the web and your files; broader than Perplexity, and noticeably heavier to run.

the 2 apps it replaces · 20 $/month

Three ways out of the subscription: 1. you keep paying (20 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Perplexity 20 $/m KIND OF Saner.AI — KIND OF

source code · verificata il 2026-08-06

20 $ /mese

GPT Researcher open source ★ 28,8k active [docker] web · self-hosted · CLI

A research agent rather than a search box; it returns cited reports and a bill from whichever model you chose.

the 1 app it replaces · 20 $/month

Three ways out of the subscription: 1. you keep paying (20 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Perplexity 20 $/m KIND OF

source code · verificata il 2026-08-06

20 $ /mese

Local Deep Research open source ★ 8,9k active [docker] web · self-hosted · CLI

Less search box, more research intern: it searches, iterates and writes cited reports on your own hardware.

the 1 app it replaces · 20 $/month

Three ways out of the subscription: 1. you keep paying (20 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Perplexity 20 $/m KIND OF

source code · verificata il 2026-08-06

20 $ /mese

Morphic open source ★ 9k active [docker] web · self-hosted

A cited answer engine with a prettier face; Docker quietly brings PostgreSQL, Redis and SearXNG along.

the 1 app it replaces · 20 $/month

Three ways out of the subscription: 1. you keep paying (20 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Perplexity 20 $/m KIND OF

source code · verificata il 2026-08-06

Checked by hand: no votes, no buyable positions. Prices in dollars.

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