Find the tools you need for your stream!

ゆかりねっとコネクターNEO

A subtitle tool that captions your stream audio live and translates it into multiple languages for OBS. It integrates with OneComme, VRChat, and Discord, letting individual streamers offer live multilingual subtitles for international viewers. Core features are free; a supporter version with higher-accuracy translation is available through FANBOX.

Camo Studio

An app that turns your iPhone, Android phone, or DSLR/mirrorless camera into a high-quality webcam. It works on Mac and Windows and outputs as a virtual camera to 40+ apps including OBS Studio and Discord, with built-in background blur and color adjustment. The free version goes up to 720p (no watermark or ads), while Pro unlocks 4K.

Lumia Stream

A streaming support app that bundles smart lighting integration, alerts, a chat bot, and loyalty features into one tool. It connects to 40+ devices and services including Philips Hue, Nanoleaf, Govee, and Elgato, letting viewers control your room lighting and effects through chat. The free tier is limited to overlays and a basic bot; full functionality starts at $5.99/month.

Social Stream Ninja

A free, open-source tool that aggregates chat from multiple services — YouTube, Twitch, TikTok, Discord, and more — and displays the comments you pick as an OBS overlay. Since it runs in the browser, setup is lightweight, and it's easy to manage chat from multiple platforms or guest streams in one place. You can also use it to feature selected comments on screen. Because it's built around links you generate from the official site, you can start doing chat effects without setting up a dedicated server.

Pulsoid

A widget service that shows your heart rate from a smartwatch or heart-rate sensor on your stream screen in real time. Just connect the Pulsoid app to a supported device and add it to OBS or Streamlabs as a browser source, and you can show viewers the tension of a horror game, an endurance stream, or physical changes during a workout stream. Since you can try it on the free plan, it's an easy addition even if you just want to layer in a bit of extra flair. The widget's look can be adjusted to match your stream layout, so you can add it to a segment without redesigning your existing assets.

Complete OBS Setup & Test Stream Support (たにした | Coconala)

A Coconala listing offering remote help with OBS initial setup, YouTube/Twitch/Twitcasting integration, video and audio output testing, and picture/sound quality tuning matched to your PC and connection. The base plan is 90 minutes of setup support, with mic quality improvement, capture card wiring, 2-PC setups, and subtitle/translation display available on request via a quote consultation. Great for anyone who wants to work through pre-first-stream nerves or gear trouble together over screen share. A quote consultation also lets you confirm the scope of your issue beforehand.

Composite Blur (OBS Plugin)

A free plugin that adds high-quality blur filters to OBS. It includes multiple blur algorithms and effect types, useful for background blur, masking part of the screen, privacy protection, and adding depth to your stream layout. It's published on GitHub and installs as an OBS video filter with fine-grained controls. Because you can apply it to just the sources or areas you need instead of the whole screen, it's easy to protect sensitive information while keeping your layout looking good.

StreamUP

A helper utility plugin for OBS. It bundles support for checking updates to your installed plugins, tidying up scenes, custom docks, and added hotkeys — all aimed at maintaining your setup and improving usability. It's a free tool that makes it easier to clean up for streamers who've used OBS for a long time and built up a lot of scenes and plugins, and it's well suited to anyone who wants a smoother pre-stream check and fewer mistakes on air. Since it's free, it's easy to try out just the management features without disrupting the OBS setup you already have.

YouTube Thumbnail Design for VTubers (りんはむ | Coconala)

A Coconala listing that designs YouTube thumbnails for VTubers and streamers. Hand over your transparent character art, title, and stream details, and get a polished look for announcements, uploads, or clips. PSD delivery and revisions are included, a solid outsourcing option when you're short on time. It also helps set the mood for different formats — karaoke, chatting streams, and game streaming — while revisions keep text and expressions readable on mobile too.

Membership Badge & Stamp Illustration Commission (飴三屋かんろ | Coconala)

A Coconala listing that creates badge and stamp illustrations for YouTube Membership or Twitch Sub perks. You can request small icon/text-style designs, character-style designs, or full reference sheets tailored to your channel's vibe. It suits streamers who've started monetizing and want to build out fan emotes and loyalty badges, and it also works well if you already have character reference material to draw from. Commercial use terms and delivery format can be confirmed as part of the request, making it easy to commission more assets later as your channel grows.

[Warudo] Forza Horizon 6 Immersive Drive Stream Set with Steering Wheel 3D Model (ピピピ技研 | BOOTH)

A drive-stream set for Warudo. Includes scene settings (3 .json files) that make your Forza Horizon 6 racing streams feel highly immersive, plus Blueprint nodes and 3 original steering wheel 3D models. Requires a webcam. (¥1,500)

[Warudo] Comment-Triggered Stage Effect System (Lv.1 | BOOTH)

A free blueprint and asset set for Warudo (for Live2D models) that makes your on-screen effects go wild in sync with viewer comments. Install it to easily liven up your streams. Redistribution is prohibited.

SOUNDRAW

A Japan-based AI composition service where you specify genre, mood, and length, and it generates original BGM for you. It's trained only on tracks the company itself produced, and a paid plan lets you use and monetize the generated tracks commercially. The free tier covers generation and preview; downloading needs a paid plan.

Freesound

A collaborative sound archive run by Spain's Pompeu Fabra University, offering free downloads of over 730,000 sounds contributed by users worldwide. Licenses range from CC0 and CC BY to non-commercial-only terms, so you must check the license on every file. The interface is English-only, and downloading requires a free account.

Epidemic Sound

A music library that gives you unlimited BGM and sound effects for a monthly subscription. The company owns the rights to every track outright and issues direct licenses that let you avoid Content ID and DMCA claims on YouTube, Twitch, and TikTok. A free trial is available, but continued use requires a paid plan.

Beatry

A free BGM and sound effects site for YouTube videos and streams, run by Audiostock. Browse tracks by mood or genre, all cleared for commercial use with no credit required. Great for streamers and video creators who want quick, safe audio for starting soon screens, chatting streams, clip transitions, and Shorts. As part of the Audiostock family of asset sites, it pairs well with your existing free BGM sites when you want tracks with a different vibe.

freebgm.jp (Free BGM)

A free BGM site run by momopla LLC (supervised by MARUYA328), offering over 29,000 tracks you can download for free, organized by genre — wafu, horror, Showa/Heisei retro, healing/relaxation, corporate presentations, game sound effects — or by tags like #日常BGM and #癒しBGM. Under the terms, anyone can use the tracks for personal, corporate, or commercial purposes with no application and no credit required (crediting is optional). However, selling or distributing the audio as-is on CD, using it as the main content of a work, or creating derivative works from it is prohibited.

Uppbeat

A royalty-free music and sound effects service for YouTubers and streamers. Even the free plan gives you 3 downloads a month and access to 25% of the catalog, but you need to paste the credit code issued for each track directly into your video description. Paid plans (Essentials $6.99/mo for 1 channel, Creator $8.99/mo for 3 channels, Pro $14.99/mo for 10 channels) add unlimited downloads and the full catalog, and let you register on YouTube's safelist to preemptively avoid Content ID claims — no credit required. The UI is in English.

molz（モルツ）

スマホでデフォルメ体型の3Dアバターを作れる着せ替えアプリ。顔を選んでアバターを作り、豊富なファッションアイテムでコーディネートできる。VRoid Hub経由でVRM形式の出力に対応し、ランダムポーズ撮影からX共有も可能。更新で衣装アイテム追加も続いており、PCなしでミニキャラ風の素材を作りたい配信者向け。iOS/iPadOS 14.0以降対応、基本無料・アプリ内課金あり。

VRM Posing Desktop

VRMモデルにポーズや表情を付け、透過PNGやMP4として書き出せるSteam配信のデスクトップアプリ。VRM 1.0、VRMA、VMCプロトコル、Steam Workshopでのポーズ共有、VRoid Hub連携に対応。プリセット背景やアクセサリ、ポストエフェクトも使え、配信サムネイル、SNS画像、イラスト下絵、短いキャラ動画を自分のアバターで作りたい人向け。

VRM Add-on for Blender

BlenderにVRMの読み込み・書き出し・編集機能を追加する無料アドオン。VRoid Studioなどで作ったVRMをBlenderで調整し、VRM HumanoidやMToonシェーダーを設定して再出力できる。Pythonスクリプトによる自動化APIもあり、Blender 2.93〜5.2対応。MIT/GPL-3.0ライセンスのオープンソースで、モデル改変に進みたい中級者向け。

Mirrativ

An app that lets you live-stream your phone's game screen exactly as-is. You can start streaming in just a few taps, and stream as your "Emomo" avatar without showing your face. It also supports voice-call collabs, automatic stream recording, and gift-based monetization. Works on iOS 16+ and Android, and is free with in-app purchases.

Full-Scratch 3D Avatar, FBX/VRM/Unity (ikurasan)

Full-scratch VRChat/VTuber avatar creation. Delivered as FBX, VRM, and a Unity package with about 50 shape keys, with a PerfectSync-compatible option available (from ¥150,000, delivery in about 30+ days). Platinum rank, 11 five-star "Excellent" reviews.

All-in-One Live2D Model Creation Including Character Art (momogaki)

A Coconala listing from momogaki offering an all-in-one package covering character design sheets, a transparent-PNG full-body illustration, and complete Live2D modeling (special price ¥80,000, expected turnaround 40 days). Along with basic movements like blinking, smiling, mouth flaps, and hair sway, it includes one extra animation such as a hand wave or ear twitch, plus data ready to import into VTube Studio. Commercial use is allowed with copyright transfer included, and one round of revisions is free. A key visual can be added for +¥30,000, and an SNS icon for +¥5,000. ★5.0.

topia（トピア）

顔出しなしで歌える3Dアバターの音楽ライブ配信アプリ。JOYSOUND・歌っちゃ王などの音源で2万曲以上のカラオケを配信でき、最大12人でのコラボ歌唱にも対応。アバターは1,000点を超えるアイテムでカスタマイズ可能。運営はUNBEREAL、基本無料でコイン課金あり。

バーチャルキャスト（VirtualCast）

VRヘッドセットを使いVRMアバターでVR空間に入り、他の配信者とのコラボやオブジェクトの持ち込みができる国産VRコミュニケーションサービス。無料版でも規約内なら商用利用可。配信機能は持たないため、N Air等でキャプチャしてYouTube Live・ニコ生へ流す。

REALITY（リアリティ）

スマホのインカメラで3Dアバターを動かし、顔出しなしで配信できるアプリ。アバター作成・コラボ配信までアプリ内で完結し、PCにREALITY OBS Pluginを導入すればゲーム画面を映した実況配信にも対応。基本無料でコイン課金（ギフト・アバターアイテム）あり。

IRIAM

A V-Live app that turns a single illustration into a character stream you can run right from your phone. Without needing a Live2D model or PC gear, you can start chatting streams or event streams as a character with moving expressions and gestures. Both streaming and viewing happen entirely on the phone, making it a good entry point before a VTuber debut, or for live communication built around existing character art. It also works well for testing a character's reactions and streaming style before committing to Live2D.

Universal Expression Pack for warudo (GoodLuckLab｜BOOTH)

A model-independent set of universal expression presets for Warudo (¥900). It includes scene data, blueprints, and items, letting you easily add special expressions. Using it alongside Warudo Support Tools is recommended.

MocapForAll

A Windows 10-only app that performs full-body motion capture using two or more off-the-shelf webcams. It can also capture fingers and facial expressions to a basic degree, and supports real-time transmission via VMT, VMC, and VRChat OSC, as well as BVH and FBX export. A free trial is distributed on Steam, and the full version is a one-time purchase.

Owncast

An open-source live streaming server you run on your own infrastructure. Just send RTMP from OBS or Streamlabs and you can publish your own stream page with built-in chat. It also includes notification integration with the fediverse (like Mastodon), viewer and moderation management, and an embeddable player. Free under the MIT license (Linux/macOS/Docker).

Switcher Studio

An app that lets you connect multiple iPhones and iPads for multi-camera streaming. Switch between up to 9 angles from a single screen, and stream to YouTube, Instagram, TikTok, X, or embed directly on your site. Works on iOS, macOS, and Android. Paid plans start at $65/month, with a 14-day free trial. Built for live events and real-world multi-camera productions.

Riverside

A platform that records each guest's video and audio locally on their device, capturing up to 4K video and uncompressed audio regardless of connection quality. Each participant is recorded on a separate track, with support for live streaming to YouTube and Twitch too. Recording is the focus, though simultaneous streaming works too. A free plan is available (no credit card required).

Outplayed

A Windows app that automatically records and clips game highlights. It supports over 5,000 titles, letting you review and edit standout moments like kills after a match ends, then share them to social media. Made by Overwolf; the free version shows ads (a paid Premium tier is available).

Larix Broadcaster

A free app for live streaming directly from your phone. Beyond RTMP, it supports many protocols including SRT, NDI, WebRTC, and RTSP, and lets you switch cameras, record, or stream audio-only. Compatible with iOS 16+ and Android 7+ (HEVC, NDI output, WebRTC, and other features are paid).

Ecamm Live

A Mac-only live streaming and video production studio. It includes a live switcher for real-time multi-camera switching, green-screen compositing (with video backgrounds supported too), split-screen with up to 10 video guests, and Stream Deck integration. You can also multistream simultaneously to platforms like YouTube, Twitch, Facebook, Instagram, X, and Amazon Live. It's paid, with a Standard plan at $16/month and a Pro plan at $32/month, plus a 14-day free trial that doesn't require a credit card (requires macOS 11.2 or later).