---
title: Overview
metaTitle: Legacy Documentation | Developer Hub
description: A collection of documentation of older Programs and Tools which might not be used anymore or deprecated. Migrated from our old docs for documentation for completeness.
---

A collection of documentation of older Programs and Tools which might not be used anymore or deprecated. Migrated from our old docs for documentation for completeness. {% .lead %}

{% quick-links %}

{% quick-link title="Auction House" icon="BookOpen" href="/legacy-documentation/auction-house" description="Allows users to exchange assets within the Solana blockchain." /%}

{% quick-link title="Fixed Price Sale" icon="BookOpen" href="/legacy-documentation/fixed-price-sale" description="Sell NFTs at a fixed price by minting print editions from a single master edition." /%}

{% quick-link title="Gumdrop" icon="BookOpen" href="/legacy-documentation/gumdrop" description="Let your community claim tokens instead of having to airdrop them and paying the fees yourself." /%}

{% quick-link title="Token Entangler" icon="BookOpen" href="/legacy-documentation/token-entangler" description="Entangle NFTs with each other. E.g. to derug projects or fix ones with messed up immutable metadata." /%}

{% quick-link title="Mobile SDKs" icon="CodeBracketSquare" href="" description="Probably helpful when looking into Android or iOS Development." /%}

{% quick-link title="Developer Tools" icon="CodeBracketSquare" href="" description="Some older developer tools that might still help you along the way." /%}

{% /quick-links %}
