Conversion GemsConversion Gems

Free developer tools

44 developer & technical tools we review offer a free plan. Filter and sort the table, or open any tool's review.

Scored by the Conversion Gems editorial team · reviewed June 2026 44 tools with a free plan · median paid plan $19/mo
44 tools
DetailsPricingFree planFree trialWhat the plan includesReview
Neon8.5 / 10Freemium$19/moYesYesFree tier; Launch from $19/moReview Neon
Vllm8.5 / 10FreeFreeYes—Free (Apache 2.0 open-source)Review Vllm
BerriAI8.3 / 10FreeCustomcontact salesYesYesFree (open source); enterprise quoteReview BerriAI
Screaming Frog8.3 / 10Freemium$279/yrYesYesFree (500 URLs); $279/yr per licenseReview Screaming Frog
Jan AI (Local)8.1 / 10Free~$24 one-timeapproximateYes—Free (open-source); optional Mac voice pack ~$24 one-timeReview Jan AI (Local)
Arcade8.0 / 10Freemium$42.50/moYesYesFree tier; Growth from $42.50/mo (annual)Review Arcade
Cline8.0 / 10FreemiumFreeYes—Free (open source); Enterprise plan availableReview Cline
jan.ai8.0 / 10FreeFreeYes—Free & open-source (AGPLv3)Review jan.ai
Qdrant Cloud8.0 / 10Freemium~$30/moapproximateYes—Free forever; Standard usage-based from ~$30/moReview Qdrant Cloud
IPHey7.9 / 10FreeFreeYes—FreeReview IPHey
Neon Serverless7.9 / 10Freemium~$0.11approximateYesYesFree; paid from $0.106/CU-hrReview Neon Serverless
Riverside7.9 / 10Freemium$24/moYesYesFree tier; Pro from $24/mo (billed annually)Review Riverside
bubble7.8 / 10Freemium$29/moYes—Free; Starter Web from $29/mo (annual)Review bubble
Turso7.8 / 10Freemium$4.99/moYes—Free; Developer $4.99/mo; Scaler $24.92/moReview Turso
Rokoko7.7 / 10Freemium$10/moYesYesFree (Starter); paid from $10/mo (annual)Review Rokoko
Braintrust7.6 / 10Freemium$249/moYesYesFree tier; Pro at $249/mo flatReview Braintrust
Google Cloud7.6 / 10FreemiumUsage-basedpay as you goYesYesAlways Free tier; $300 credit for 90 daysReview Google Cloud
Shippo7.6 / 10Freemium$19/moYesYesFree (30 labels/mo); Pro from $19/moReview Shippo
AgentUniverse7.5 / 10FreeFreeYesYesFree (OSS, Apache-2.0)Review AgentUniverse
Apify Web Scraper7.5 / 10Freemium$5/moYesYesFree ($5 credits/mo); paid from $29/moReview Apify Web Scraper
Bito7.5 / 10Freemium$15/moper seatYesYesFree plan; paid from $15/user/moReview Bito
Cascadeur7.5 / 10Freemium$19/moYesYesFree tier; Indie from $19/moReview Cascadeur
CodeRabbit7.5 / 10Freemium$24/moper seatYesYesFree tier; paid plans from $24/user/monthReview CodeRabbit
Eraser7.5 / 10FreemiumFreeYesYesFree tier availableReview Eraser
findchips7.5 / 10FreemiumFreeYes—Free core search; Pro tier availableReview findchips
Galileo7.5 / 10Freemium$100/moYes—Free (5K traces/mo); Pro $100/mo; EnterpriseReview Galileo
Microsoft Azure7.5 / 10FreemiumUsage-basedpay as you goYesYesFree acct ($200 credit); PAYG afterReview Microsoft Azure
Playai7.5 / 10Freemium$39/moYesYesFree tier; Creator from $39/moReview Playai
whisper.cpp7.4 / 10FreeFreeYes—Free (MIT, open-source)Review whisper.cpp
Nerfstudio7.3 / 10FreeFreeYes—Free (Apache 2.0, open-source)Review Nerfstudio
Honeyhive7.0 / 10FreemiumCustomcontact salesYesYesFree (10K events/mo, 5 users); Enterprise customReview Honeyhive
pandaextract7.0 / 10Freemium$9/moYesYesFree trial; from $9/moReview pandaextract
SolidWorks CAM7.0 / 10Freemium~$600/yrapproximateYesYesFree (Standard w/SW subscription); Pro ~$600/yrReview SolidWorks CAM
Kudosi6.9 / 10Freemium$14.95/moYesYesFree tier; paid from $14.95/moReview Kudosi
Seldon6.9 / 10Free~$18K/yrapproximateYesYesFree (OSS); enterprise from ~$18K/yearReview Seldon
Sheety6.9 / 10Freemium~$9.99/moapproximateYesYesFree tier; paid from ~$9.99/moReview Sheety
Phind6.8 / 10Freemium$17/moYes—Free tier; Pro from $17/monthReview Phind
Gaussian Splatting6.7 / 10FreeFreeYes—Free (open-source reference implementation)Review Gaussian Splatting
Rendernet6.7 / 10Freemium$9/moYesYesFree (50 credits/mo); paid from $9/moReview Rendernet
ScraperAPI Web Scraping API6.7 / 10Freemium$49/moYesYesFree (1K credits); paid from $49/moReview ScraperAPI Web Scraping API
ZenRows Universal Scraper API6.7 / 10Freemium$1/moYesYesFree trial ($1 credit); paid from $69.99/moReview ZenRows Universal Scraper API
Oracle Database6.2 / 10Freemium~$47.5KapproximateYesYesFree (XE ed.); EE from $47,500/processorReview Oracle Database
LongShot.ai6.0 / 10Freemium$6/moYes—Free tier; paid plans from $6/monthReview LongShot.ai
Pephop5.8 / 10Freemium~$4.99/moapproximateYes—Free; paid from ~$4.99/mo (vendor cites vary)Review Pephop
Neon8.5 / 10
Freemium · $19/mo · Free trial

Free tier; Launch from $19/mo

Vllm8.5 / 10
Free

Free (Apache 2.0 open-source)

BerriAI8.3 / 10
Free · Custom · Free trial

Free (open source); enterprise quote

Freemium · $279/yr · Free trial

Free (500 URLs); $279/yr per license

Free · ~$24 one-time

Free (open-source); optional Mac voice pack ~$24 one-time

Arcade8.0 / 10
Freemium · $42.50/mo · Free trial

Free tier; Growth from $42.50/mo (annual)

Cline8.0 / 10
Freemium · Free

Free (open source); Enterprise plan available

jan.ai8.0 / 10
Free

Free & open-source (AGPLv3)

Qdrant Cloud8.0 / 10
Freemium · ~$30/mo

Free forever; Standard usage-based from ~$30/mo

IPHey7.9 / 10
Free

Free

Freemium · ~$0.11 · Free trial

Free; paid from $0.106/CU-hr

Riverside7.9 / 10
Freemium · $24/mo · Free trial

Free tier; Pro from $24/mo (billed annually)

bubble7.8 / 10
Freemium · $29/mo

Free; Starter Web from $29/mo (annual)

Turso7.8 / 10
Freemium · $4.99/mo

Free; Developer $4.99/mo; Scaler $24.92/mo

Rokoko7.7 / 10
Freemium · $10/mo · Free trial

Free (Starter); paid from $10/mo (annual)

Braintrust7.6 / 10
Freemium · $249/mo · Free trial

Free tier; Pro at $249/mo flat

Google Cloud7.6 / 10
Freemium · Usage-based · Free trial

Always Free tier; $300 credit for 90 days

Shippo7.6 / 10
Freemium · $19/mo · Free trial

Free (30 labels/mo); Pro from $19/mo

Free · Free trial

Free (OSS, Apache-2.0)

Freemium · $5/mo · Free trial

Free ($5 credits/mo); paid from $29/mo

Bito7.5 / 10
Freemium · $15/mo · Free trial

Free plan; paid from $15/user/mo

Cascadeur7.5 / 10
Freemium · $19/mo · Free trial

Free tier; Indie from $19/mo

CodeRabbit7.5 / 10
Freemium · $24/mo · Free trial

Free tier; paid plans from $24/user/month

Eraser7.5 / 10
Freemium · Free · Free trial

Free tier available

findchips7.5 / 10
Freemium · Free

Free core search; Pro tier available

Galileo7.5 / 10
Freemium · $100/mo

Free (5K traces/mo); Pro $100/mo; Enterprise

Freemium · Usage-based · Free trial

Free acct ($200 credit); PAYG after

Playai7.5 / 10
Freemium · $39/mo · Free trial

Free tier; Creator from $39/mo

whisper.cpp7.4 / 10
Free

Free (MIT, open-source)

Nerfstudio7.3 / 10
Free

Free (Apache 2.0, open-source)

Honeyhive7.0 / 10
Freemium · Custom · Free trial

Free (10K events/mo, 5 users); Enterprise custom

pandaextract7.0 / 10
Freemium · $9/mo · Free trial

Free trial; from $9/mo

Freemium · ~$600/yr · Free trial

Free (Standard w/SW subscription); Pro ~$600/yr

Kudosi6.9 / 10
Freemium · $14.95/mo · Free trial

Free tier; paid from $14.95/mo

Seldon6.9 / 10
Free · ~$18K/yr · Free trial

Free (OSS); enterprise from ~$18K/year

Sheety6.9 / 10
Freemium · ~$9.99/mo · Free trial

Free tier; paid from ~$9.99/mo

Phind6.8 / 10
Freemium · $17/mo

Free tier; Pro from $17/month

Free

Free (open-source reference implementation)

Rendernet6.7 / 10
Freemium · $9/mo · Free trial

Free (50 credits/mo); paid from $9/mo

Freemium · $49/mo · Free trial

Free (1K credits); paid from $49/mo

Freemium · $1/mo · Free trial

Free trial ($1 credit); paid from $69.99/mo

Freemium · ~$47.5K · Free trial

Free (XE ed.); EE from $47,500/processor

LongShot.ai6.0 / 10
Freemium · $6/mo

Free tier; paid plans from $6/month

Pephop5.8 / 10
Freemium · ~$4.99/mo

Free; paid from ~$4.99/mo (vendor cites vary)